Fixed issue in updater for git-stable mode.

Till Brehm

2016-01-31 99768b5efd67a53bf9b84d98244bcb45d21d4141

 server/scripts/update_from_dev_stable.sh

@@ -14,8 +14,8 @@
tar xzf ispconfig3-dev.tar.gz

echo -n "Latest git version:  "
ls -1d ispconfig3-master*
cd ispconfig3-master*/install
ls -1d ispconfig3-stable*
cd ispconfig3-stable*/install

php -q \
    -d disable_classes= \