Respect browse-url-default-scheme on Haiku

* lisp/net/browse-url.el (browse-url-default-haiku-browser): Respect
'browse-url-default-scheme', which currently defaults to "http".
10 jobs for master in 113 minutes and 59 seconds (queued for 13 seconds)
Status Job ID Name Coverage
  Build Images
passed #75978
build-image-inotify

01:07:02

 
  Normal
failed #75979
test-all-inotify

00:46:49

 
  Platform Images
failed #75980
build-image-eglot

00:03:43

failed #75982
build-image-gnustep

00:25:05

passed #75981
build-image-tree-sitter

01:17:33

 
  Platforms
skipped #75983
test-eglot
skipped #75985
test-gnustep
passed #75984
test-tree-sitter

00:05:46

 
  Native Comp Images
failed #75986
build-native-comp-speed2

00:06:41

 
  Native Comp
skipped #75987
test-native-comp-speed2
 
Name Stage Failure
failed
test-all-inotify Normal
Uploading artifacts for failed job
Uploading artifacts...
test-all-inotify-0ce068c2/: found 533 matching files and directories

Uploading artifacts as "archive" to coordinator... 201 Created
id=75979 responseStatus=201 Created token=P528Hri1
Uploading artifacts...
test-all-inotify-0ce068c2/junit-test-report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... 201 Created
id=75979 responseStatus=201 Created token=P528Hri1
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 2

failed
build-image-gnustep Platform Images
executor failed running [/bin/sh -c make bootstrap]: exit code: 2
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-gnustep-0ce068c2: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-native-comp-speed2 Native Comp Images
 > [internal] load build context:
------
rpc error: code = Canceled desc = grpc: the client connection is closing
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-speed2-0ce068c2: No such file or directory
ERROR: Job failed: exit code 1
failed
build-image-eglot Platform Images
rpc error: code = Unavailable desc = transport is closing
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-0ce068c2: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1