Commit
fbef52722243a2f455a6ee2fefb33475a6b915db
by Oliver Smithgtp: move conversion functions up
Move the conversion functions above the first user, so we can make
in_addr2gsna static in a follow-up commit and remove the extra
declaration.
Change-Id: I51e6a7c1161320fc54b0e8197ae57e4327976eb1