Fixed: Must check in Node if path exists when doing 'fs.lstatSync' as it will throw if not.

Tools/nib2cib/Nib2Cib.j

@@ -853,7 +853,7 @@ var /* FILE = require("file"), */
     {
         themePath = PATH.join(PATH.normalize(themeDir), blendName);
     
-        if (!fs.lstatSync(themePath).isDirectory())
+        if (!fs.existsSync(themePath) || !fs.lstatSync(themePath).isDirectory())
             themePath = themeDir = null;
     }