--- src/Fl_Pixmap_Button.H.orig	2002-05-29 12:14:19.000000000 +0200
+++ src/Fl_Pixmap_Button.H	2002-05-29 12:14:11.000000000 +0200
@@ -49,7 +49,7 @@
 	
 	if (pw<0) {
 #if FL_MAJOR_VERSION == 1 && FL_MINOR_VERSION >= 0
-		fl_measure_pixmap(p->data,pw,ph);
+		fl_measure_pixmap(p->data(),pw,ph);
 #else
 		fl_measure_pixmap(p->data(),pw,ph);
 #endif