check for fcgid being enabled when switching the webserver as only apache2 can handle fcgid (prevent a possible deadlock in the panel)

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
correct author :P damn copy'n'paste

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>