typo

src/freedombone-image-customise

     # web server
     chroot "$rootdir" apt-get -yq remove --purge apache2
     chroot "$rootdir" apt-get -yq install nginx php5-fpm
-    git clone $$NGINX_ENSITE_REPO $rootdir/root/build/nginx_ensite
+    git clone $NGINX_ENSITE_REPO $rootdir/root/build/nginx_ensite
     cd $rootdir/root/build/nginx_ensite
     git checkout $NGINX_ENSITE_COMMIT -b $NGINX_ENSITE_COMMIT
     echo "nginx-ensite commit:$NGINX_ENSITE_COMMIT" >> $rootdir/root/freedombone-completed.txt