x11-servers/xwayland-devel: allow concurrent instance after 1c4b6bc

wlroots >= 0.16 spawns Xwayland with -displayfd. Starting a new
compositor re-created /tmp/.X11-unix/X0 thus breaking X11 connection
to an already running compositor.

Regressed by:	https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/4741e9d8410f

x11-servers/xwayland-devel/Makefile

@@ -2,13 +2,15 @@ PORTNAME=	xwayland
 DISTVERSIONPREFIX=	xorg-server-
 DISTVERSION=	21.0.99.1-464
 DISTVERSIONSUFFIX=	-g${GL_COMMIT:C/(.{12}).*/\1/}
+PORTREVISION=	1
 CATEGORIES=	x11-servers
 PKGNAMESUFFIX=	-devel
 
 PATCH_SITES+=	https://github.com/mirror/${GL_PROJECT}/commit/:github
 PATCHFILES+=	cd6c9c1246af.patch:-p1:github # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/432
 PATCHFILES+=	3930d00746b0.patch:-p1:github # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/432
 PATCHFILES+=	3b0d1a3a2296.patch:-p1:github # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/432
+PATCHFILES+=	459f07e344fd.patch:-p1:github # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/844
 PATCH_SITES+=	${GL_SITE}/${GL_ACCOUNT}/${GL_PROJECT}/-/commit/
 PATCHFILES+=	8b9bf0a22640.patch:-p1 # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1047
 PATCHFILES+=	0c90fb305e9b.patch:-p1 # https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1051

x11-servers/xwayland-devel/distinfo

@@ -9,6 +9,8 @@ SHA256 (3930d00746b0.patch) = acae16d3636d12e631a14e2584a4ae5d527dfb9897b897631f
 SIZE (3930d00746b0.patch) = 18587
 SHA256 (3b0d1a3a2296.patch) = 4e2c4165e9e287ed42cbb9a30eedf1a10f0fcbae0db6a222feb1783f9bb2ed29
 SIZE (3b0d1a3a2296.patch) = 2513
+SHA256 (459f07e344fd.patch) = a5e5f033f5fd0f10eeb4f0c49f97bc9bce6532631284304dadfedab7e81ec589
+SIZE (459f07e344fd.patch) = 4965
 SHA256 (8b9bf0a22640.patch) = a44b46488e9b038b546e756d96ee7e2856f58c8fa30b81ed02d75716fd2f07f2
 SIZE (8b9bf0a22640.patch) = 3708
 SHA256 (0c90fb305e9b.patch) = bb8ea8dc81ad9685388edbbac584717346ed8df575bd99ef9e86f0476a940c01