Fixed warnings about shadowed global variable. Found by buildbot.
diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index 7fd6913..de588e4 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -3872,8 +3872,6 @@ void SDL_OnApplicationDidReceiveMemoryWarning()
void SDL_OnApplicationWillResignActive()
{
- SDL_VideoDevice *_this = SDL_GetVideoDevice();
-
if (_this) {
SDL_Window *window;
for (window = _this->windows; window != NULL; window = window->next) {
@@ -3896,8 +3894,6 @@ void SDL_OnApplicationWillEnterForeground()
void SDL_OnApplicationDidBecomeActive()
{
- SDL_VideoDevice *_this = SDL_GetVideoDevice();
-
SDL_SendAppEvent(SDL_APP_DIDENTERFOREGROUND);
if (_this) {