Remove used 'value' variable from compressPaths.

@@ -45,7 +45,7 @@ module.exports = function (grunt) {
 
     grunt.registerTask('fixRequireConfig', function fixRequireConfig() {
         function compressPaths(paths, result) {
-            var prop, value, ptr, i, token, tokens, last;
+            var prop, ptr, i, token, tokens, last;
             for (prop in paths) {
                 ptr = result;
                 tokens = prop.split('/');