[ob] Fix typo in ppcnbsd-tdep.c

[Mark Kettenis]

Committed as obvious.

Index: ChangeLog
from  Mark Kettenis  <kettenis@gnu.org>

	* ppcnbsd-tdep.c: Fix typo in comment.

Index: ppcnbsd-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/ppcnbsd-tdep.c,v
retrieving revision 1.29
diff -u -p -r1.29 ppcnbsd-tdep.c
--- ppcnbsd-tdep.c 12 May 2006 20:53:15 -0000 1.29
+++ ppcnbsd-tdep.c 15 Dec 2006 23:21:41 -0000
@@ -42,7 +42,7 @@ struct ppc_reg_offsets ppcnbsd_reg_offse
 
 /* Core file support.  */
 
-/* NetBSD/powerpc register set.  */
+/* NetBSD/powerpc register sets.  */
 
 struct regset ppcnbsd_gregset =
 {