Tweak compilation mode used by byte-recompile-directory

* lisp/emacs-lisp/bytecomp.el (emacs-lisp-compilation-mode):
Doc fix.
(byte-recompile-directory): Use emacs-lisp-compilation-mode.
1 job for master in 54 minutes and 20 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #2237
test-all

00:54:20

 
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:957: recipe for target 'check-expensive' failed
make: *** [check-expensive] Error 2
ERROR: Job failed: exit code 1