fix compilation.

Overall i think the previous change to ast_channel_alloc()
to close bug 7506 should have been done by defining
an ast_set_callerid_noevent() function that does the
setting without generating the event.
Lot less code duplication, and easier to handle.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47306 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_jingle.c

@@ -754,7 +754,7 @@ static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *
 	struct ast_channel *tmp;
 	int fmt;
 	int what;
-	char *str;
+	const char *str;
 
 	if (title)
 		str = title;