fix two places that would cause a frame to be leaked

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@33510 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_alarmreceiver.c

@@ -215,6 +215,7 @@ static int send_tone_burst(struct ast_channel *chan, float freq, int duration, i
 
 			i += wf.datalen / 8;
 			if (i > duration) {
+				ast_frfree(f);
 				break;
 			}
 			if (ast_write(chan, &wf)){
@@ -222,6 +223,7 @@ static int send_tone_burst(struct ast_channel *chan, float freq, int duration, i
 					ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Failed to write frame on %s\n", chan->name);
 				ast_log(LOG_WARNING, "AlarmReceiver Failed to write frame on %s\n",chan->name);
 				res = -1;
+				ast_frfree(f);
 				break;
 			}
 		}