mosh: Update from 1.2.6 to 1.3.0-rc2

This includes a memory alignment fix for arm:

0ceb4f26f4

which should fix #725.

packages/mosh/build.sh

@@ -1,9 +1,9 @@
 TERMUX_PKG_HOMEPAGE=https://mosh.org
 TERMUX_PKG_DESCRIPTION="Mobile shell that supports roaming and intelligent local echo"
-TERMUX_PKG_VERSION=1.2.6
-TERMUX_PKG_REVISION=2
-TERMUX_PKG_SRCURL=https://github.com/mobile-shell/mosh/archive/mosh-${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_FOLDERNAME=mosh-mosh-$TERMUX_PKG_VERSION
+TERMUX_PKG_VERSION=1.3.0~rc2
+TERMUX_PKG_SRCURL=https://github.com/mobile-shell/mosh/releases/download/mosh-1.3.0-rc2/mosh-1.3.0-rc2.tar.gz
+TERMUX_PKG_SHA256=8b6bff33c469ccea0438877c68774a6b2ded6fccd99b1db180222da82f0654ae
+TERMUX_PKG_FOLDERNAME=mosh-1.3.0-rc2
 TERMUX_PKG_DEPENDS="libandroid-support, libprotobuf, ncurses, openssl, openssh, libutil"
 
 termux_step_pre_configure () {