Added missing var declaration

js/jquery.inputmask.js

@@ -665,7 +665,7 @@
                          //!! the bound handlers are executed in the order they where bound
                          //reorder the events
                          var ourHandler = eventHandlers[eventHandlers.length - 1];
-                         for (i = eventHandlers.length - 1; i > 0; i--) {
+                         for (var i = eventHandlers.length - 1; i > 0; i--) {
                              eventHandlers[i] = eventHandlers[i - 1];
                          }
                          eventHandlers[0] = ourHandler;