Fix copy/paste error in one-touch-recording implementation.

........

Merged revisions 388253 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@388254 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -21729,7 +21729,7 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
 					feat = ast_find_call_feature(p->relatedpeer->record_on_feature);
 				}
 			} else if (!strcasecmp(c, "off")) {
-				if (ast_strlen_zero(p->relatedpeer->record_on_feature)) {
+				if (ast_strlen_zero(p->relatedpeer->record_off_feature)) {
 					suppress_warning = 1;
 				} else {
 					feat = ast_find_call_feature(p->relatedpeer->record_off_feature);