git-mv to work with Perl 5.6
git-mv to work with Perl 5.6

List form of pipe open is 5.8 invention.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git