sparse cleanup

Fix various things that sparse complains about:
 - use NULL instead of 0
 - make sure we declare everything properly, or mark it static
 - use proper function declarations ("fn(void)" instead of "fn()")

Sparse is always right.

1 files changed, 1 insertions, 1 deletions

diff --git a/tar-tree.c b/tar-tree.c
index ccc39c92a0..233a25616e 100644
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -375,7 +375,7 @@ static void traverse_tree(void *buffer, unsigned long size,
 }
 
 /* get commit time from committer line of commit object */
-time_t commit_time(void * buffer, unsigned long size)
+static time_t commit_time(void * buffer, unsigned long size)
 {
 	time_t result = 0;
 	char *p = buffer;