Merge branch 'sixel' into 'master'

Enable SIXEL in xterm

See merge request adelie/packages!323

user/xterm/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com>
 pkgname=xterm
 pkgver=348
-pkgrel=0
+pkgrel=1
 pkgdesc="An X-based terminal emulator"
 url="https://invisible-island.net/xterm/"
 arch="all"
@@ -24,7 +24,8 @@ build() {
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
 		--localstatedir=/var \
-		--with-pcre
+		--with-pcre \
+		--enable-sixel-graphics
 	# This is NOT A TYPO!
 	#
 	# XTerm does not use ld(1) as a linker.  It uses a shell script