Make originFolder absolute. Fix applying Launcher patch

Author: phhusson

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 rom_fp="$(date +%y%m%d)"
-originFolder="$(dirname "$0")"
+originFolder="$(dirname "$(readlink -f -- "$0")")"
 mkdir -p release/$rom_fp/
 set -e