Fix the 'query' may be 'null' (#101)

Author: leenty

index.js

@@ -17,7 +17,7 @@ module.exports = function(source) {
 
 	var req = loaderUtils.getRemainingRequest(this).replace(/^!/, "");
 
-	var query = loaderUtils.getOptions(this);
+	var query = loaderUtils.getOptions(this) || {};
 
 	var loadModule = this.loadModule;
 	var resolve = this.resolve;