--- rxvt-unicode/src/rxvtimg.h	2012/06/14 17:06:57	1.33
+++ rxvt-unicode/src/rxvtimg.h	2012/06/14 18:06:15	1.34
@@ -68,6 +68,7 @@
 
   void unshare (); // prepare for write
   void fill (const rgba &c);
+  void add_alpha ();
   //void linear_gradient  (const XLinearGradient  *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
   //void radial_gradient  (const XRadialGradient  *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
   //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);