config: Fix crash when a reload fails twice

Have string values stored in char arrays in totem_config
so we don't get into a mess with the pointers.

Also remove vsftype (which hasn't been used since corosync 1)

Use strncpy even though we know the string is fine. Keep covscan happy

Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>