Merge pull request #1719 from alexgorbatchev/patch-1

Fixes undefined error in `plugin.dependency`

lib/pack.js

@@ -341,7 +341,7 @@ internals.Pack.prototype._plugin = function (plugin, registerOptions, state, cal
                 var callback = (typeof arguments[1] === 'object' ? arguments[2] : arguments[1]);
 
                 var localState = {
-                    dependecies: state.dependecies,
+                    dependencies: state.dependencies,
                     route: env.route,
                     selection: selection.index
                 };