rev 355285 breaks stable build

[peter.blok at bsd4all.org]

Hi,

While building rescue

ld: error: undefined symbol: lz4_init
>>> referenced by spa_misc.c:2066 (/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c:2066)
>>>               spa_misc.o:(spa_init) in archive /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/libzpool.a

ld: error: undefined symbol: lz4_fini
>>> referenced by spa_misc.c:2096 (/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c:2096)
>>>               spa_misc.o:(spa_fini) in archive /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/libzpool.a
cc: error: linker command failed with exit code 1 (use -v to see invocation)
*** [rescue] Error code 1

Peter