Bug#19974500: SERVER 5.5 / DEBUG DOESN\'T COMPILE WITH GCC 4.9.1

Fix broken gcc 4.9.1 debug build by removing end of line noise.

In 5.6+ this issue was already fixed by:
------------------------------------------------------------
revno: 3091
committer: Davi Arnaut <davi.arnaut@oracle.com>
branch nick: mysql-trunk
timestamp: Mon 2011-05-16 11:30:54 -0300
message:
  Fix warnings emitted by Clang.

mysys/thr_alarm.c

@@ -254,7 +254,7 @@ void thr_end_alarm(thr_alarm_t *alarmed)
   {
     if ((ALARM*) queue_element(&alarm_queue,i) == alarm_data)
     {
-      queue_remove(&alarm_queue,i),MYF(0);
+      queue_remove(&alarm_queue,i);
       if (alarm_data->malloced)
 	my_free(alarm_data);
       found++;