This patch fixes a bug in git-ls-tree in which the wrong filenames are
listed if the exact same file and directory contents are present in
another location in the tree.
Added a new series of test cases for directory and filename handling.
Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
