[PATCH] dri2: restore Screen->ConfigNotify on close

[Marcin Slusarz]

ConfigNotify is set by DRI2ScreenInit, but not restored to
previous state on close. Fix it.
(I'm preparing a patch for xf86-video-nouveau which detects GPU lockup
after dri2 init and it needs to reinitialize dri2)

Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com>
---
 hw/xfree86/dri2/dri2.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index bf7ebb9..af3bcae 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -1185,6 +1185,7 @@ void
 DRI2CloseScreen(ScreenPtr pScreen)
 {
     DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
+    pScreen->ConfigNotify = ds->ConfigNotify;
 
     free(ds->driverNames);
     free(ds);
-- 
1.7.5.3