directfb: Changed internal function to be static.
diff --git a/src/video/directfb/SDL_DirectFB_render.c b/src/video/directfb/SDL_DirectFB_render.c
index 795641a..abece80 100644
--- a/src/video/directfb/SDL_DirectFB_render.c
+++ b/src/video/directfb/SDL_DirectFB_render.c
@@ -332,7 +332,7 @@ DirectFB_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
}
}
-int
+static int
DirectFB_RenderClear(SDL_Renderer * renderer)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
@@ -344,7 +344,6 @@ DirectFB_RenderClear(SDL_Renderer * renderer)
destsurf->Clear(destsurf, renderer->r, renderer->g, renderer->b, renderer->a);
-
return 0;
}