Index: pbx/pbx_spool.c
===================================================================
RCS file: /usr/cvsroot/asterisk/pbx/pbx_spool.c,v
retrieving revision 1.13
diff -u -r1.13 pbx_spool.c
--- pbx/pbx_spool.c	22 Jun 2004 18:49:00 -0000	1.13
+++ pbx/pbx_spool.c	9 Jul 2004 17:25:39 -0000
@@ -116,7 +116,7 @@
 				if (c) {
 					*c = '\0';
 					c++;
-					while(*c < 33)
+					while ((*c) && (*c < 33))
 						c++;
 #if 0
 					printf("'%s' is '%s' at line %d\n", buf, c, lineno);