Some cleanup, extracted XFB convert code into VideoCommon, added non-activated support to gl plugin. + a minor bugfix with no effects seen so far in gl plugin :P

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@209 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/XFB.h

@@ -18,5 +18,8 @@
 #ifndef _XFB_H
 #define _XFB_H
 
+void XFB_Init();
+void XFB_Draw(u8 *xfb_in_ram);
+void XFB_Shutdown();
 
 #endif