Suppress compilation warning in srt-mode

* lisp/cedet/srecode/srt-mode.el (srecode-parse-this-macro): Check
for the existence of `key' in the macro before using it, and
suppress the warning.
1 job for master in 82 minutes and 8 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #2245
test-all

01:22:08

 
Name Stage Failure
failed
test-all Test
make[2]: *** [check-doit] Error 1
Makefile:318: recipe for target 'check-doit' failed
make[2]: Leaving directory '/builds/emacs/emacs/test'
make[1]: *** [check-expensive] Error 2
Makefile:293: recipe for target 'check-expensive' failed
make[1]: Leaving directory '/builds/emacs/emacs/test'
make: *** [check-expensive] Error 2
Makefile:957: recipe for target 'check-expensive' failed
ERROR: Job failed: exit code 1