Use the appropriate constant for ".git"

We have two constants with the same content. DOT_GIT is intended
for the git repository below the work tree, while DOT_GIT_EXT is
the ".git" directory extension usually associated with bare
repositories.

Change-Id: I0946b4beb2d1c3af289ddbbb5641d2f4e4c49d3f
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>
2 files changed