Commit
e14f66bfcf6ba607384775f73e8e3c1a032ba5ca
by Oliver Smithgtp: remove 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