update_binary-addons: use full rev

tools/mkpkg/update_binary-addons

@@ -2,6 +2,7 @@
 
 # SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
+# Copyright (C) 2018-present Team LibreELEC (https://libreelec.tv)
 
 if [ -z "$1" ]; then
   echo "Usage: $0 <branch-name>"
@@ -46,7 +47,7 @@ git_clone() {
 resolve_hash() {
   if [ -d "$1" ] ; then
     cd "$1"
-    git rev-parse --short $2 2>/dev/null
+    git rev-parse $2 2>/dev/null
   fi
 }