Tidying

src/freedombone-image-customise

             echo $'Unable to download npm installer'
             exit 8793636
         fi
+        chroot "$rootdir" chmod +x /root/npm_install.sh
+        chroot "$rootdir" /root/npm_install.sh $NPM_VERSION
     fi
-    chroot "$rootdir" chmod +x /root/npm_install.sh
-    chroot "$rootdir" /root/npm_install.sh $NPM_VERSION
 
     git clone https://github.com/ssbc/patchwork $rootdir/etc/patchwork