fix pixmap leak

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@82 b9cfdab3-6d41-4d17-bbe4-086880011989

examples/image.c

@@ -0,0 +1,16 @@
+/* $Id$ */
+#include <Mw/Milsko.h>
+
+int main() {
+	MwWidget   window = MwVaCreateWidget(MwWindowClass, "window", NULL, 0, 0, 500, 500,
+					     MwNtitle, "image button",
+					     NULL);
+	MwWidget   button = MwCreateWidget(MwButtonClass, "button", window, 50, 50, 400, 400);
+	MwLLPixmap px	  = MwLoadImage(button, "examples/picture.png");
+
+	MwVaApply(button,
+		  MwNpixmap, px,
+		  NULL);
+
+	MwLoop(window);
+}