Support bool-vectors in cl-extra.el

* lisp/emacs-lisp/cl-extra.el (cl-coerce): Support bool-vector.

Copyright-paperwork-exempt: yes
1 job for master in 63 minutes and 41 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #2942
test-all

01:03:41

 
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