Check another error condition in git-mv
Check another error condition in git-mv

When moving multiple files at once, it can happen that
files get the same target name, like in

	git-mv a/foo b/foo destdir

Both a/foo and b/foo target destdir/foo.

Signed-off-by: Josef Weidendorfer <cd09c6f9ce317d005f2d2d124e6e1764b163fdc4@gmx.de>
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