Build break on port amd64 - recent header changes?

[Paul Goyette <paul%whooppee.com@localhost>]

With sources up-to-the-moment ...

...
#   compile  libgif/in6_gif.o
/build/netbsd-local/tools/x86_64/amd64/bin/x86_64--netbsd-gcc -O2 -ffreestanding -fno-strict-aliasing -mno-red-zone -mno-mmx -mno-sse -mno-avx -msoft-float   -std=gnu99    -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare  -Wno-traditional  -Wa,--fatal-warnings -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter -Wno-sign-compare -Werror -Wno-format-zero-length -Wno-pointer-sign   -fstack-protector -Wstack-protector   --param ssp-buffer-size=1   -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../librump/rumpkern -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../librump/rumpnet --sysroot=/build/netbsd-local/dest/amd64 -DCOMPAT_50 -DCOMPAT_60 -DCOMPAT_70 -nostdinc -imacros /build/netbsd-local/src/sys/rump/net/lib/libgif/../../../include/opt/opt_rumpkernel.h -I/build/netbsd-local/src/sys/rump/net/lib/libgif -I. -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../../../common/include -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../include -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../include/opt -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../../arch -I/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../.. -DDIAGNOSTIC -DKTRACE   -D_FORTIFY_SOURCE=2 -c    /build/netbsd-local/src/sys/rump/net/lib/libgif/../../../../netinet6/in6_gif.c -o in6_gif.o
/build/netbsd-local/src/sys/rump/net/lib/libgif/../../../../netinet6/in6_gif.c:388:1: error: no previous prototype for 'in6_gif_pause' [-Werror=missing-prototypes]
 in6_gif_pause(struct gif_softc *sc)
 ^
cc1: all warnings being treated as errors
*** [in6_gif.o] Error code 1
...


+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+