Fix the check against the max supported rate

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@123393 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_timing_pthread.c

@@ -149,7 +149,7 @@ static int pthread_timer_set_rate(int handle, unsigned int rate)
 		return -1;
 	}
 
-	if (rate > 0 && rate < MAX_RATE) {
+	if (rate > MAX_RATE) {
 		ast_log(LOG_ERROR, "res_timing_pthread only supports timers at a max rate of %d / sec\n",
 			MAX_RATE);
 		errno = EINVAL;