FS#4024 - can't run ispconfig_update.sh to switch to dev

server/scripts/update_from_dev.sh

 #!/bin/bash
 
 cd /tmp
+rm -rf ispconfig3-master*
 wget -O ispconfig3-dev.tar.gz "http://git.ispconfig.org/ispconfig/ispconfig3/repository/archive.tar.gz?ref=master"
 tar xzf ispconfig3-dev.tar.gz
-cd ispconfig3.git/install
+cd ispconfig3-master*/install
 php -q \
     -d disable_classes= \
     -d disable_functions= \
     -d open_basedir= \
     update.php
 cd /tmp
-rm -rf /tmp/ispconfig3.git /tmp/ispconfig3-dev.tar.gz
+rm -rf /tmp/ispconfig3-master* /tmp/ispconfig3-dev.tar.gz
 
-exit 0
\ No newline at end of file
+exit 0