1 files changed, 5 insertions, 5 deletions
diff --git a/src/resources/sdlgfxblitfunc.h b/src/resources/sdlgfxblitfunc.h
index dcf59fdca..5060e3552 100644
--- a/src/resources/sdlgfxblitfunc.h
+++ b/src/resources/sdlgfxblitfunc.h
@@ -18,7 +18,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* 
+/*
 
 SDL_gfxBlitFunc: custom blitters (part of SDL_gfx library)
 
@@ -34,9 +34,9 @@ struct SDL_Rect;
 
 // src surface can be any format (most time 32 bit surface with any masks)
 // dst surface always correct 32 sufraces (shared format for all)
-int SDLgfxBlitRGBA(SDL_Surface *src,
-                   SDL_Rect *srcrect,
-                   SDL_Surface *dst,
-                   SDL_Rect *dstrect);
+int SDLgfxBlitRGBA(SDL_Surface *const src,
+                   SDL_Rect *const srcrect,
+                   SDL_Surface *const dst,
+                   SDL_Rect *const dstrect);
 
 #endif  // RESOURCE_SDLGFXBLITFUNC_H