x11-libs/pixman: Sync with Gentoo

It's from Gentoo commit 51eee7179d8992089f833cb6d1ef30559febecff.

sdk_container/src/third_party/portage-stable/x11-libs/pixman/Manifest

@@ -1,2 +1 @@
-DIST pixman-0.43.2.tar.xz 637976 BLAKE2B 82734efb7cede5b1aeff3a865bfa2a81ff3176be50edc10deb1b5541f160b2dfd21303c1eccba53c0df83f471f3489084479a423dc2f818019af97d4b41dad68 SHA512 1a1d21b86b3c6784c4c2606b7069723b4dbb747eac9fce95bca86516787840379ffd49abc42d11e7143e85c32c85496f33c2562c7a910ca6f963599affdc3224
 DIST pixman-0.43.4.tar.xz 636900 BLAKE2B c31e5700bfadcd72f522af50509a4a6cd7bbf90c918c75b108e50246f1c76e858125138902a222040ada192710ec788deb43eb65085416f3eff88e3ed970933e SHA512 b40fb05bd58dc78f4e4e9b19c86991ab0611b708657c9a7fb42bfe82d57820a0fde01a34b00a0848a41da6c3fb90c2213942a70f435a0e9467631695d3bc7e36

sdk_container/src/third_party/portage-stable/x11-libs/pixman/pixman-0.43.4.ebuild

@@ -14,7 +14,7 @@ inherit ${GIT_ECLASS} flag-o-matic meson-multilib multiprocessing toolchain-func
 DESCRIPTION="Low-level pixel manipulation routines"
 HOMEPAGE="http://www.pixman.org/ https://gitlab.freedesktop.org/pixman/pixman/"
 if [[ ${PV} != 9999* ]]; then
-	KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
 	SRC_URI="https://www.x.org/releases/individual/lib/${P}.tar.xz"
 fi