From http://www.jwz.org/xscreensaver/xscreensaver-5.16.tar.gz

[xscreensaver] / hacks / halftone.c

diff --git a/hacks/halftone.c b/hacks/halftone.c
index 7c62111ac360287add996736c1f43df46408b592..5cd78b504991fbbf379269055b3e26a92432fefb 100644 (file)
--- a/hacks/halftone.c
+++ b/hacks/halftone.c
@@ -78,7 +78,7 @@ static void update_buffer(halftone_screen *halftone, XWindowAttributes * attrs)
     if (halftone->buffer_width != -1 &&
        halftone->buffer_height != -1)
     {
-      if (halftone->buffer == halftone->window)
+      if (halftone->buffer != halftone->window)
         XFreePixmap(halftone->dpy, halftone->buffer);
       XFreeGC(halftone->dpy, halftone->buffer_gc);
     }