Document pack .idx file format upgrade strategy.

diff --git a/builtin-unpack-objects.c b/builtin-unpack-objects.c
index e6d75748444ef4fc263970d4fe87b4623d2790fc..d351e02649401364e7384d0e784901e6f3fcb119 100644 (file)
--- a/builtin-unpack-objects.c
+++ b/builtin-unpack-objects.c
@@ -8,8 +8,6 @@
 #include "tag.h"
 #include "tree.h"
 
-#include <sys/time.h>
-
 static int dry_run, quiet, recover, has_errors;
 static const char unpack_usage[] = "git-unpack-objects [-n] [-q] [-r] < pack-file";