Fixed compiler warnings

Updated Visual C++ 2005 project

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401975

src/video/SDL_renderer_sw.c

@@ -408,8 +408,6 @@ SW_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color)
 {
     SW_RenderData *data = (SW_RenderData *) renderer->driverdata;
     Uint8 r, g, b, a;
-    void *pixels;
-    int pitch;
     SDL_Rect real_rect;
     int status;
 

src/video/SDL_video.c

@@ -2288,7 +2288,7 @@ SDL_GL_SwapWindow(SDL_WindowID windowID)
         SDL_SetError("The specified window isn't an OpenGL window");
         return;
     }
-    return _this->GL_SwapWindow(_this, window);
+    _this->GL_SwapWindow(_this, window);
 }
 
 void