add restrict into sdl2imagehelper.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/resources/sdl2imagehelper.cpp b/src/resources/sdl2imagehelper.cpp
index c3481a1b5..0ea97c5f4 100644
--- a/src/resources/sdl2imagehelper.cpp
+++ b/src/resources/sdl2imagehelper.cpp
@@ -163,10 +163,10 @@ SDL_Surface *SDLImageHelper::create32BitSurface(int width, int height) const
         width, height, 32, rmask, gmask, bmask, amask);
 }
 
-int SDLImageHelper::combineSurface(SDL_Surface *const src,
-                                   SDL_Rect *const srcrect,
-                                   SDL_Surface *const dst,
-                                   SDL_Rect *const dstrect)
+int SDLImageHelper::combineSurface(SDL_Surface *restrict const src,
+                                   SDL_Rect *restrict const srcrect,
+                                   SDL_Surface *restrict const dst,
+                                   SDL_Rect *restrict const dstrect)
 {
     SDL_SetSurfaceBlendMode(src, SDL_BLENDMODE_BLEND);
     SDL_BlitSurface(src, srcrect, dst, dstrect);