4970570 fsdb_ufs ":log_head" prints extent list twice 

Summary:
All comments in bug apply.

Patch:
http://icculus.org/~eviltypeguy/4970570.patch

Lint/cstyle Patch (must be applied after original patch):
http://icculus.org/~eviltypeguy/4970570_lint.patch

Solution:
The same exact code printing the extent list was in fsdb.c twice, removing the duplicate code fixed the problem.

Testing:
Tested by running fsdb with the necessary options to display extents list, and ensuring the extent list was only displayed once. Tested both with and without lint patch.