Update to 1.7.1.
[1]: Fix gitk to exec wish8.5 and not wish.
[2]: Add a CONTRIB knob, default to on, which installs contrib scripts.
Use COPYTREE_SHARE for installing GITWEB stuff.
Whitespace cleanup in P4 OPTION definition and installation.
Note CONTRIB information in pkg-message.
Changelog: http://www.kernel.org/pub/software/scm/git/docs/RelNotes-1.7.1.txt
PR: [1]: ports/146016
Submitted by: [1]: Bruce Cran <bruce@cran.org.uk>
[2]: Martin Sugioarto (based upon a patch via private mail)