Update .config.sh

prevent dirname error:

"usage: dirname path"

Author: RizziCR

bin/.config.sh

@@ -23,7 +23,7 @@ if [ -z "`which $READLINK`" ]; then
     exit 1
 fi
 
-SCRIPT_DIR=$(dirname $($READLINK -f "$0"))
+SCRIPT_DIR=$(dirname "$($READLINK -f "$0")")
 ROOT_DIR=$($READLINK -f "$SCRIPT_DIR/../")
 CODE_DIR=$($READLINK -f "$ROOT_DIR/code")