[fix] Fix incorrect depth check.

Author: AvianFlu

lib/node-http-proxy/proxy-table.js

@@ -140,7 +140,7 @@ ProxyTable.prototype.getProxyLocation = function (req) {
 
         var pathSegments = route.path.split('/');
 
-        if (pathSegments.length > 0) {
+        if (pathSegments.length > 1) {
           // don't include the proxytable path segments in the proxied request url
           pathSegments = new RegExp("/" + pathSegments.slice(1).join('/'));
           req.url = req.url.replace(pathSegments, '');
@@ -170,4 +170,4 @@ ProxyTable.prototype.close = function () {
   if (typeof this.routeFile === 'string') {
     fs.unwatchFile(this.routeFile);
   }
-};
+};