6736356 zdb -R/-C needs to work with exported pools

[victor.latush...@sun.com]

Author: Victor Latushkin <Victor.Latushkin at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: f850bd35816341d81a8d739b2b9daf85ad140dd3
Total changesets: 1
Log message:
6736356 zdb -R/-C needs to work with exported pools

Files:
        update: usr/src/cmd/mdb/common/modules/zfs/zfs.c
        update: usr/src/cmd/zdb/zdb.c