[fix] Destroy log file streams in a more intelligent way.

Author: AvianFlu

lib/forever/plugins/logger.js

@@ -29,8 +29,12 @@ exports.attach = function (options) {
   monitor.on('restart', startLogs);
 
   monitor.on('exit', function () {
-    monitor.stdout.end();
-    monitor.stderr.end();
+    if (monitor.stdout) {
+      monitor.stdout.destroySoon();
+    }
+    if (monitor.stderr) {
+      monitor.stderr.destroySoon();
+    }
   });
 
   function startLogs(child, childData) {