return true from mail sms broadcast

darcs-hash:20080721093457-84dde-b9c735bef0d279b92e23743a5d96bcaa6b7f8444.gz

lib/mail.php

@@ -184,6 +184,8 @@ function mail_broadcast_notice_sms($notice) {
 			}
 		}
 	}
+	
+	return true;
 }
 
 function mail_send_sms_notice($notice, $user) {