[PATCH] Initialize lock_file struct to all zero.

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hold_lock_file_for_update() relies on that.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@xxxxxx>

---

	Bugs like this drive you crazy. You make a little change elsewhere,
	and all of a sudden, a test of git-update-index fails (since the 
	lock file is never removed).

 builtin-update-index.c |    2 +-
 builtin-write-tree.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/builtin-update-index.c b/builtin-update-index.c
index 325cd09..829ed23 100644
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -490,7 +490,7 @@ int cmd_update_index(int argc, const cha
 	git_config(git_default_config);
 
 	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
-	lock_file = xmalloc(sizeof(struct lock_file));
+	lock_file = xcalloc(1, sizeof(struct lock_file));
 
 	newfd = hold_lock_file_for_update(lock_file, get_index_file());
 	if (newfd < 0)
diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index c3aac36..8c151da 100644
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -16,7 +16,7 @@ int write_tree(unsigned char *sha1, int 
 	int entries, was_valid, newfd;
 
 	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
-	struct lock_file *lock_file = xmalloc(sizeof(struct lock_file));
+	struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
 	newfd = hold_lock_file_for_update(lock_file, get_index_file());
 
-- 
1.4.0.g9833

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