Fixed overlay on x64

They are not longer available with GetWindowLong. There is a new function GetWindowLongPtr.
GWLP* must be used.

overlay_experimental/Hook_Manager.cpp

@@ -396,7 +396,7 @@ void Hook_Manager::create_hook(const char* libname)
 
 bool Hook_Manager::stop_retry()
 {
-    // Retry 200 times, we look for rendering functions so its actually: "retry for 200 frames"
+    // Retry or not
     bool stop = ++_hook_retries >= max_hook_retries;
 
     if (stop)

overlay_experimental/Windows_Hook.cpp

@@ -14,16 +14,13 @@ HWND GetGameWindow()
     {
         if (!GetParent(hWnd))
         {
-#if defined(_WIN64)
-            if (GetModuleHandle(NULL) == (HINSTANCE)GetWindowLong(hWnd, GWLP_HINSTANCE))
+            if (GetModuleHandle(NULL) == (HMODULE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE))
                 break;
-#elif defined(_WIN32)
-            if (GetModuleHandle(NULL) == (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE))      
-                break;
-#endif
         }
         hWnd = GetWindow(hWnd, GW_HWNDNEXT);
     }
+    if (!hWnd)
+        PRINT_DEBUG("Failed to get game window HWND\n");
     return hWnd;
 }