Fixed IF digitalcse typo

apply-config.sh

 
 sed -i 's/defaultCopyright = .*/defaultCopyright = "<p>DigitalCSE<\/p>"/g' /var/bigbluebutton/playback/presentation/2.0/playback.js
 
-if [ ! -f /var/www/bigbluebutton/client/guest-wait-digitalcse.html]; then
+if [ ! -f /var/www/bigbluebutton/client/guest-wait-digitalcse.html ]; then
 	wget -O /var/www/bigbluebutton/client/guest-wait-digitalcse.html http://git.bluekitsune.com/bluekitsune-public/customfiles/raw/branch/master/guest-wait.html
 fi