cleanup msvc code analysis warnings

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13366 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_utils.c

@@ -83,6 +83,8 @@ SWITCH_DECLARE(switch_status_t) switch_frame_dup(switch_frame_t *orig, switch_fr
 	switch_frame_t *new_frame;
 
 	new_frame = malloc(sizeof(*new_frame));
+
+	switch_assert(new_frame);
 	
 	*new_frame = *orig;
 	switch_set_flag(new_frame, SFF_DYNAMIC);