Merged revisions 170050 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r170050 | file | 2009-01-22 11:13:56 -0400 (Thu, 22 Jan 2009) | 6 lines
  
  Do a string comparison instead of pointer comparison since some people specify the context they are actually in as an argument to get around some funkiness.
  (closes issue #14011)
  Reported by: dveiga
  Patches:
        pbx.c.patch uploaded by dveiga (license 665)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@170051 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/pbx.c

@@ -8644,7 +8644,7 @@ static int pbx_builtin_background(struct ast_channel *chan, void *data)
 			ast_stopstream(chan);
 		}
 	}
-	if (args.context != chan->context && res) {
+	if (strcmp(args.context, chan->context) && res) {
 		snprintf(chan->exten, sizeof(chan->exten), "%c", res);
 		ast_copy_string(chan->context, args.context, sizeof(chan->context));
 		chan->priority = 0;