signal.c: fix erroneous syscall kernel-doc
signal.c: fix erroneous syscall kernel-doc

Fix erroneous syscall kernel-doc comments in kernel/signal.c.

Reported-by: Matt Fleming <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@console-pimps.org>
Signed-off-by: Randy Dunlap <e1d10faa7e2a0c027bf1ff1d20e7fd10154be7ea@oracle.com>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs