From b80f4f9e506ec83805c24162d1642efb0a3acc02 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 22 Feb 2014 17:39:35 -0800
Subject: [PATCH] Don't fail initialization if the helper window class already
 exists.

---
 src/video/windows/SDL_windowswindow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/windows/SDL_windowswindow.c b/src/video/windows/SDL_windowswindow.c
index 7bf9e5563..98de45428 100644
--- a/src/video/windows/SDL_windowswindow.c
+++ b/src/video/windows/SDL_windowswindow.c
@@ -673,7 +673,7 @@ SDL_HelperWindowCreate(void)
 
     /* Register the class. */
     SDL_HelperWindowClass = RegisterClass(&wce);
-    if (SDL_HelperWindowClass == 0) {
+    if (SDL_HelperWindowClass == 0 && GetLastError() != ERROR_CLASS_ALREADY_EXISTS) {
         return WIN_SetError("Unable to create Helper Window Class");
     }