Update runtime binding script

Author: Ayplow

lib/binding.js

@@ -2,19 +2,19 @@
  * node-sass: lib/binding.js
  */
 
-var errors = require('./errors');
-
+var errors = require('./errors'),
+  Constants = require('./constants');
 /**
  * Require binding
  */
 module.exports = function(ext) {
-  if (!ext.hasBinary(ext.getBinaryPath())) {
+  if (!ext.hasBinary(ext.getBinaryPath(Constants.DefaultOptions))) {
     if (!ext.isSupportedEnvironment()) {
       throw new Error(errors.unsupportedEnvironment());
     } else {
       throw new Error(errors.missingBinary());
     }
   }
 
-  return require(ext.getBinaryPath());
+  return require(ext.getBinaryPath(Constants.DefaultOptions));
 };