byobu: Avoid "locale charmap" call, hardcode UTF-8

packages/byobu/build.sh

@@ -1,6 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://byobu.co/
 TERMUX_PKG_DESCRIPTION="Byobu is a GPLv3 open source text-based window manager and terminal multiplexer"
 TERMUX_PKG_VERSION=5.122
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://launchpad.net/byobu/trunk/${TERMUX_PKG_VERSION}/+download/byobu_${TERMUX_PKG_VERSION}.orig.tar.gz
 TERMUX_PKG_SHA256=0e5f14db8340712cf5b1049002c5b7f2a116ca28e6df418cb7500d3c4fa43234
 TERMUX_PKG_DEPENDS="gawk, tmux"

packages/byobu/usr-bin-byobu.in.patch

@@ -0,0 +1,12 @@
+diff -u -r ../byobu-5.122/usr/bin/byobu.in ./usr/bin/byobu.in
+--- ../byobu-5.122/usr/bin/byobu.in	2017-08-09 23:53:48.000000000 +0200
++++ ./usr/bin/byobu.in	2017-09-20 01:31:55.576848354 +0200
+@@ -46,7 +46,7 @@
+ 		. "$HOME/.byoburc"
+ 	fi
+ fi
+-export BYOBU_CHARMAP=$(locale charmap)
++export BYOBU_CHARMAP=UTF-8
+ [ -r "$HOME/.byoburc" ] && . "$HOME/.byoburc"
+ [ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="@prefix@" || export BYOBU_PREFIX
+ . "${BYOBU_PREFIX}/lib/${PKG}/include/common"