fix SEGFAULT introduce ​http://www.streamboard.tv/wbb2/thread.php?threadid=40356
Tested by hk2k2

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9688 4b0bc96b-bc66-0410-9d44-ebda105a78c1
WebIf: Fix by ticket 3725

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9689 4b0bc96b-bc66-0410-9d44-ebda105a78c1