build fix for tripledragon after last merge

src/driver/framebuffer_ng.h

@@ -281,6 +281,8 @@ class CFrameBuffer
 		void setFbArea(int element, int _x=0, int _y=0, int _dx=0, int _dy=0);
 		void fbNoCheck(bool noCheck) { fb_no_check = noCheck; }
 		void doPaintMuteIcon(bool mode) { do_paint_mute_icon = mode; }
+		/* blit() is unnecessary, but here to avoid patches to the neutrino code */
+		void blit(void) {}
 };
 
 #endif