Correctly bisect format 12 and 8 cmap tables

* src/sfnt.c (sfnt_bsearch_above): Cease returning the last
element if it is ordered below the key itself.
(sfnt_lookup_glyph_8, sfnt_lookup_glyph_12): Verify whether the
group returned is NULL.
10 jobs for master in 52 minutes and 8 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build Images
failed #75644
build-image-inotify

00:04:43

 
  Normal
skipped #75645
test-all-inotify
 
  Platform Images
failed #75646
build-image-eglot

00:04:49

failed #75648
build-image-gnustep

00:04:39

failed #75647
build-image-tree-sitter

00:52:07

 
  Platforms
skipped #75649
test-eglot
skipped #75651
test-gnustep
skipped #75650
test-tree-sitter
 
  Native Comp Images
failed #75652
build-native-comp-speed2

00:04:53

 
  Native Comp
skipped #75653
test-native-comp-speed2
 
Name Stage Failure
failed
build-image-tree-sitter Platform Images
ade8af37dd9f: Retrying in 2 seconds
ade8af37dd9f: Retrying in 1 second
net/http: request canceled (Client.Timeout exceeded while awaiting headers)
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-tree-sitter-06fc5c24: No such file or directory
ERROR: Job failed: exit code 1
failed
build-native-comp-speed2 Native Comp Images
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-native-comp-speed2-06fc5c24: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-image-eglot Platform Images
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-eglot-06fc5c24: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-image-gnustep Platform Images
WARNING: No swap limit support
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-gnustep-06fc5c24: No such file or directory
ERROR: Job failed: exit code 1
failed
build-image-inotify Build Images
Error response from daemon: Get "https://emba.gnu.org:5050/v2/": Get "https://emba.gnu.org//jwt/auth?account=gitlab-ci-token&client_id=docker&offline_token=true&service=container_registry": net/http: request canceled (Client.Timeout exceeded while awaiting headers) (Client.Timeout exceeded while awaiting headers)
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-inotify-06fc5c24: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1