[PATCH] Bugfix: initialize pack_base to NULL.

This was causing random segfaults, because use_packed_git() got
confused by random garbage there.

Signed-off-by: Junio C Hamano <redacted>
---

 sha1_file.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

facb119577a28bbb3f2ac1e5f8db37fd2f6d31d8

diff --git a/sha1_file.c b/sha1_file.c
--- a/sha1_file.c
+++ b/sha1_file.c

@@ -395,6 +395,7 @@ static struct packed_git *add_packed_git
 	p->pack_size = st.st_size;
 	p->index_base = idx_map;
 	p->next = NULL;
+	p->pack_base = NULL;
 	p->pack_last_used = 0;
 	return p;
 }
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