(svn r2866) Move all functions and tables which aren't directly involved in managing the sprite heap to a new file gfxinit.c.

This doesn't ease the global variable mess, but makes the distinction between sprite heap and gfx loading routines easier.

gfxinit.h

@@ -0,0 +1,8 @@
+/* $Id$ */
+
+#ifndef GFXINIT_H
+#define GFXINIT_H
+
+void GfxLoadSprites(void);
+
+#endif