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, 3 insertions, 3 deletions

diff --git a/ls-tree.c b/ls-tree.c
index 30dfcddf7..0f455c2e5 100644
--- a/ls-tree.c
+++ b/ls-tree.c
@@ -5,8 +5,8 @@
  */
 #include "cache.h"
 
-int line_termination = '\n';
-int recursive = 0;
+static int line_termination = '\n';
+static int recursive = 0;
 
 struct path_prefix {
 	struct path_prefix *prev;
@@ -73,7 +73,7 @@ static int list(unsigned char *sha1)
 	void *buffer;
 	unsigned long size;
 
-	buffer = read_object_with_reference(sha1, "tree", &size, 0);
+	buffer = read_object_with_reference(sha1, "tree", &size, NULL);
 	if (!buffer)
 		die("unable to read sha1 file");
 	list_recursive(buffer, "tree", size, NULL);