Fix unnecessary whitespace in mod_timerfd.c

Removed trailing whitespace to improve code formatting.

src/mod/timers/mod_timerfd/mod_timerfd.c

@@ -235,7 +235,7 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_timerfd_runtime)
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "epoll_wait interrupted by SIGINT, continue...\n");
 				continue;
 			}
-			
+
 			break;
 		}