make tinderbox broken with LINT-NOINET on ref10-amd64.freebsd.org (if_gif compilation issues)

[NGie Cooper]

Hi Andrey,
	Just a heads up that LINT-NOINET seems to be broken on amd64/i386 with if_gif(4) on stable/10. Could you please fix this?
Thanks,
-NGie

$ tail -n 40 _.amd64.LINT-NOINET | head -n 20
/scratch/tmp/ngie/svn/sys/modules/if_gif/../../netinet/in_gif.c:94:1: error: no previous prototype for function 'in_gif_output' [-Werror,-Wmissing-prototypes]
in_gif_output(struct ifnet *ifp, struct mbuf *m, int proto, uint8_t ecn)
^
/scratch/tmp/ngie/svn/sys/modules/if_gif/../../netinet/in_gif.c:232:1: error: no previous prototype for function 'in_gif_encapcheck' [-Werror,-Wmissing-prototypes]
in_gif_encapcheck(const struct mbuf *m, int off, int proto, void *arg)
^
/scratch/tmp/ngie/svn/sys/modules/if_gif/../../netinet/in_gif.c:248:1: error: no previous prototype for function 'in_gif_attach' [-Werror,-Wmissing-prototypes]
in_gif_attach(struct gif_softc *sc)
^
3 errors generated.
*** [in_gif.o] Error code 1

make[7]: stopped in /scratch/tmp/ngie/svn/sys/modules/if_gif
1 error

make[7]: stopped in /scratch/tmp/ngie/svn/sys/modules/if_gif
*** [all_subdir_if_gif] Error code 2

make[6]: stopped in /scratch/tmp/ngie/svn/sys/modules
1 error