Merge pull request #1616 from ioannidesalex/patch-51

Minor fix

install/vst-install-ubuntu.sh

@@ -943,7 +943,7 @@ done
 
 if [ "$vsftpd" = 'yes' ]; then
     cp -f $vestacp/vsftpd/vsftpd.conf /etc/
-    touch /var/log//vsftpd.log
+    touch /var/log/vsftpd.log
     chown root:adm /var/log/vsftpd.log
     chmod 640 /var/log/vsftpd.log
     touch /var/log/xferlog