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src/video/x11/SDL_x11video.c:198: warning: implicit declaration of function 'SDL_Delay_REAL'
Warning came with rev.11252

src/video/windows/SDL_windowsmodes.c:39:20: warning: unused variable 'vid_data'
Warning came with rev.11218

Patch below.

diff -r f7abcb63e51e src/video/windows/SDL_windowsmodes.c
--- a/src/video/windows/SDL_windowsmodes.c	Sun Aug 13 01:00:01 2017 -0400
+++ b/src/video/windows/SDL_windowsmodes.c	Sun Aug 13 14:11:05 2017 +0300
@@ -36,7 +36,6 @@
 static void
 WIN_UpdateDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode)
 {
-    SDL_VideoData *vid_data = (SDL_VideoData *) _this->driverdata;
     SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
     HDC hdc;
 
@@ -54,7 +53,7 @@
 
         mode->w = logical_width;
         mode->h = logical_height;
-        
+
         SDL_zero(bmi_data);
         bmi = (LPBITMAPINFO) bmi_data;
         bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
diff -r f7abcb63e51e src/video/x11/SDL_x11video.c
--- a/src/video/x11/SDL_x11video.c	Sun Aug 13 01:00:01 2017 -0400
+++ b/src/video/x11/SDL_x11video.c	Sun Aug 13 14:11:05 2017 +0300
@@ -26,6 +26,7 @@
 
 #include "SDL_video.h"
 #include "SDL_mouse.h"
+#include "SDL_timer.h"
 #include "../SDL_sysvideo.h"
 #include "../SDL_pixels_c.h"