[obv] Comment typo fix

[Jan Kratochvil]

http://sourceware.org/ml/gdb-cvs/2011-08/msg00015.html

--- src/gdb/ChangeLog	2011/08/01 18:45:42	1.13247
+++ src/gdb/ChangeLog	2011/08/03 15:17:08	1.13248
@@ -1,3 +1,7 @@
+2011-08-03  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* stack.c (print_frame_arguments_choices): Comment typo fix.
+
 2011-08-01  Thiago Jung Bauermann  <bauerman@br.ibm.com>
 
 	Revert:
--- src/gdb/stack.c	2011/08/01 14:57:48	1.230
+++ src/gdb/stack.c	2011/08/03 15:17:10	1.231
@@ -57,7 +57,7 @@
 
 void (*deprecated_selected_frame_level_changed_hook) (int);
 
-/* The possible choices of "set print frame-arguments, and the value
+/* The possible choices of "set print frame-arguments", and the value
    of this setting.  */
 
 static const char *print_frame_arguments_choices[] =