fix(spawnify) _onCD: this -> self

Author: coderaiser

lib/spawnify.js

@@ -216,6 +216,7 @@
 
     Spawnify.prototype._onCD = function onCD(command, currDir) {
         var wasError, strs,
+            self            = this,
             CD              = 'cd ',
             HOME            = process.env.HOME,
 
@@ -275,7 +276,7 @@
         }
 
         if (!isWildCard)
-            this._set('exec', command, {cwd: paramDir});
+            self._set('exec', command, {cwd: paramDir});
         else
             find(paramDir, function(error, dirs) {
                 var dir;
@@ -284,7 +285,7 @@
                     dir = dirs[0];
 
                 paramDir    = dir;
-                this._set('exec', command, {cwd: dir});
+                self._set('exec', command, {cwd: dir});
             });
     };