mesa: update to 21.2.6.

srcpkgs/mesa/template

@@ -1,7 +1,7 @@
 # Template file for 'mesa'
 pkgname=mesa
-version=21.2.5
-revision=2
+version=21.2.6
+revision=1
 build_style=meson
 configure_args="-Dglvnd=true -Dshared-glapi=enabled -Dgbm=enabled -Degl=enabled
  -Dosmesa=true -Dgles1=enabled -Dgles2=enabled -Dglx=dri -Ddri3=enabled
@@ -22,7 +22,7 @@ license="MIT, LGPL-2.1-or-later"
 homepage="https://www.mesa3d.org/"
 changelog="https://docs.mesa3d.org/relnotes/${version}.html"
 distfiles="https://mesa.freedesktop.org/archive/mesa-${version}.tar.xz"
-checksum=8e49585fb760d973723dab6435d0c86f7849b8305b1e6d99f475138d896bacbb
+checksum=1e7e22d93c6e8859fa044b1121119d26b2e67e4184b92ebb81c66497dc80c954
 
 if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
 	configure_args+=" -Duse-elf-tls=false"