Change mojo URLs from mojo://mojo_foo to mojo://foo.

mojo/examples/wget/wget.cc

Index: mojo/examples/wget/wget.cc
diff --git a/mojo/examples/wget/wget.cc b/mojo/examples/wget/wget.cc
index 1efaa2d71ff85db5209f0d156f50c565f54d11fa..5b9e5ca8c6eaea74b30c36a52e21d896f2c2ff8e 100644
--- a/mojo/examples/wget/wget.cc
+++ b/mojo/examples/wget/wget.cc
@@ -71,7 +71,7 @@ class ResponsePrinter {
 class WGetApp : public ApplicationDelegate {
  public:
   virtual void Initialize(ApplicationImpl* app) override {
-    app->ConnectToService("mojo:mojo_network_service", &network_service_);
+    app->ConnectToService("mojo:network_service", &network_service_);
     Start(app->args());
   }