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/rpush.c b/rpush.c
index 223bdd81f3..17d5ab8a60 100644
--- a/rpush.c
+++ b/rpush.c
@@ -3,7 +3,7 @@
 #include <sys/socket.h>
 #include <errno.h>
 
-void service(int fd_in, int fd_out) {
+static void service(int fd_in, int fd_out) {
 	ssize_t size;
 	int posn;
 	char unsigned sha1[20];