Minor update to Windows fix for issue #3418. Added warning message if cert bundle is missing to assist with troubleshooting.

git-svn-id: http://svn.thedarkmod.com/svn/darkmod_src/trunk@5911 49c82d7f-2e2a-0410-a16f-ae8f201b507f
Zbyl's patch for issue #3255.

git-svn-id: http://svn.thedarkmod.com/svn/darkmod_src/trunk@5912 49c82d7f-2e2a-0410-a16f-ae8f201b507f