diff -Nur -x '*.orig' -x '*~' hal-0.5.11~rc2/hald/linux/addons/addon-macbook-backlight.c hal-0.5.11~rc2.new/hald/linux/addons/addon-macbook-backlight.c
--- hal-0.5.11~rc2/hald/linux/addons/addon-macbook-backlight.c	2008-03-17 22:25:12.000000000 +0100
+++ hal-0.5.11~rc2.new/hald/linux/addons/addon-macbook-backlight.c	2008-04-04 15:39:05.000000000 +0200
@@ -78,7 +78,6 @@
 #define ACCESS_INDEX          (ACCESS_OFFSET >> 2)
 
 static unsigned int *register_page;
-static LibHalContext *halctx = NULL;
 
 static unsigned long
 determine_video_base_address (void)
@@ -302,6 +301,7 @@
 int
 main (int argc, char **argv)
 {
+	LibHalContext *halctx;
 	DBusConnection *conn;
 	GMainLoop *main_loop;
 	const char *udi;