Unlock build on error quit

Author: ChillerDragon

lib/include/update/cmake.sh

@@ -145,6 +145,7 @@ function cmake_update() {
 		err       "       cd $arg_git_path"
 		err       "       git status"
 		err       "       $(tput bold)./update.sh --force$(tput sgr0) to ignore"
+		unlock_build
 		exit 1
 	fi
 	current_branch="$(git rev-parse --abbrev-ref HEAD)"