Fix regex-emacs debug format glitches

These patches affect behavior only if REGEX_EMACS_DEBUG.
* src/regex-emacs.c (debug_putchar): Use unsigned for %x.
(print_compiled_pattern, ENSURE_FAIL_STACK, PUSH_FAILURE_POINT)
(POP_FAILURE_POINT): Use %td for ptrdiff_t.
(print_compiled_pattern, regex_compile, re_match_2_internal):
Put newlines at ends of lines, not at starts of next lines.
Omit white space at line ends.
1 job for master in 63 minutes and 14 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed #2344
test-all

01:03:14

 
Name Stage Failure
failed
test-all Test
Makefile:318: recipe for target 'check-doit' failed
make[2]: *** [check-doit] Error 1
make[2]: Leaving directory '/builds/emacs/emacs/test'
Makefile:293: recipe for target 'check-expensive' failed
make[1]: *** [check-expensive] Error 2
make[1]: Leaving directory '/builds/emacs/emacs/test'
Makefile:959: recipe for target 'check-expensive' failed
make: *** [check-expensive] Error 2
ERROR: Job failed: exit code 1