fix uninstall error

lib/uninstall.js

@@ -5,19 +5,19 @@ var fs = require('fs'),
 
 module.exports = function(version) {
     var nodeDir = common.getNodeDir(version);
+    version = common.replaceVersion(version);
     if (fs.existsSync(path.join(nodeDir, 'node.exe')) === false) {
         console.log('%s version is not installed yet', version);
         process.exit(1);
     }
-
     if (process.env.NVMW === version) {
         console.log('Cannot uninstall currently-active Node version %s', version);
         process.exit(1);
     }
 
     rmdir(nodeDir, function(err, dirs, files) {
         console.log(
-            'Node %s removed %s',version, (err ? 'failed' : 'successfully')
+            'Node %s removed %s', version, (err ? 'failed' : 'successfully')
         );
     });
 };