Tell pacemaker to start apache with -DSSL when apache needs SSL

This is really a workaround for a bug in SLE HAE:
  https://bugzilla.novell.com/show_bug.cgi?id=890209

The apache RA doesn't read /etc/sysconfig/apache2 to find out if -DSSL
should be used, so we have to do it ourselves.

https://bugzilla.novell.com/show_bug.cgi?id=889570
Actually, it's kind of required anyway for other distros. So we will have to keep it.