Built git-upload-tar should be ignored.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

.gitignore

diff --git a/.gitignore b/.gitignore
index 199cc31..ec4c0dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -116,6 +116,7 @@
 git-update-ref
 git-update-server-info
 git-upload-pack
+git-upload-tar
 git-var
 git-verify-pack
 git-verify-tag