job.c: 1.51->1.52

job.c: 1.51->1.52
Author: ru
Log:
"unset verbose" is 13 characters, not 10.

job.c:1.58->1.59
Author: harti
Log:
Get rid of the shell table sentinel. It isn't needed anymore because
JobMatchShell returns NULL when no shell name matches since revision 1.51.

Obtained-from: FreeBSD
Submitted-by: Max Okumoto <okumoto@ucsd.edu>
Use __arysize(shells) instead of expanding it manually.