(svn r25820) -Codechange: More const-ness.

src/blitter/8bpp_optimized.cpp

@@ -112,7 +112,7 @@ void Blitter_8bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, Z
 	}
 }
 
-Sprite *Blitter_8bppOptimized::Encode(SpriteLoader::Sprite *sprite, AllocatorProc *allocator)
+Sprite *Blitter_8bppOptimized::Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator)
 {
 	/* Make memory for all zoom-levels */
 	uint memory = sizeof(SpriteData);