Fix implicit global variable.

lib/search-query-parser.js

@@ -31,6 +31,7 @@ exports.parse = function (string, options) {
     var terms = [];
     // Get a list of search terms respecting single and double quotes
     var regex = /(\S+:'(?:[^'\\]|\\.)*')|(\S+:"(?:[^"\\]|\\.)*")|\S+|\S+:\S+/g;
+    var match;
     while ((match = regex.exec(string)) !== null) {
       var term = match[0];
       var sepIndex = term.indexOf(':');