xorg-server: backport fix for use after free after switch VT

See: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1067

srcpkgs/xorg-server/patches/fix-use-after-free-after-switch-vt.patch

@@ -0,0 +1,30 @@
+From 919f1f46fc67dae93b2b3f278fcbfc77af34ec58 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <mdaenzer@redhat.com>
+Date: Mon, 31 Aug 2020 12:10:43 +0200
+Subject: [PATCH] xfree86: Take second reference for SavedCursor in
+ xf86CursorSetCursor
+
+The same pointer is kept in CurrentCursor as well, therefore two
+RefCursor calls are needed.
+
+Fixes use-after-free after switching VTs.
+
+Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1067
+---
+ hw/xfree86/ramdac/xf86CursorRD.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git hw/xfree86/ramdac/xf86CursorRD.c hw/xfree86/ramdac/xf86CursorRD.c
+index 9aa3de97bd..c8362d1690 100644
+--- hw/xfree86/ramdac/xf86CursorRD.c
++++ hw/xfree86/ramdac/xf86CursorRD.c
+@@ -334,6 +334,9 @@ xf86CursorSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs,
+         ScreenPriv->HotY = cursor->bits->yhot;
+ 
+         if (!infoPtr->pScrn->vtSema) {
++            cursor = RefCursor(cursor);
++            if (ScreenPriv->SavedCursor)
++                FreeCursor(ScreenPriv->SavedCursor, None);
+             ScreenPriv->SavedCursor = cursor;
+             return;
+         }

srcpkgs/xorg-server/template

@@ -1,7 +1,7 @@
 # Template file for 'xorg-server'
 pkgname=xorg-server
 version=1.20.9
-revision=1
+revision=2
 build_style=meson
 configure_args="-Dipv6=true -Dxorg=true -Dxnest=true -Dxephyr=true
  -Dxvfb=true -Dhal=false -Dudev=true -Dxkb_dir=/usr/share/X11/xkb
@@ -30,8 +30,6 @@ lib32disabled=yes
 provides="xserver-abi-extension-10_1 xserver-abi-input-24_1
  xserver-abi-video-24_1 xf86-video-modesetting-1_1"
 replaces="xf86-video-modesetting>=0 glamor-egl>=0"
-subpackages="xorg-server-devel xorg-server-xdmx xorg-server-xephyr
- xorg-server-xnest xorg-server-xvfb xorg-server-xwayland"
 conf_files="/etc/X11/Xwrapper.config"
 
 build_options="elogind"