libX11: revert to to 1.7.5.

Due to upstream issue:
https://gitlab.freedesktop.org/xorg/lib/libx11/-/issues/157

srcpkgs/libX11/template

@@ -1,7 +1,8 @@
 # Template file for 'libX11'
 pkgname=libX11
-version=1.8
-revision=1
+reverts="1.8.0_1"
+version=1.7.5
+revision=2
 build_style=gnu-configure
 configure_args="--enable-ipv6 --enable-xlocaledir --without-xmlto
  --enable-static --enable-malloc0returnsnull"
@@ -12,7 +13,7 @@ maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="MIT"
 homepage="http://xorg.freedesktop.org/"
 distfiles="${XORG_SITE}/lib/${pkgname}-${version}.tar.xz"
-checksum=081bf42ebab023aa92cfdb20c7af8c5ae13d13e88a5e22f90f4453ef80bbdde4
+checksum=5a1847e2e2c248e1a203a24a1338a5586d6f48472eac58f6f08539110a965151
 
 do_configure() {
 	./configure ${configure_args}