remove unnecessary initializations

[jc: I needed to hand merge the changes to the updated codebase,
 so the result needs to be checked.]

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/send-pack.c b/send-pack.c
index b7cc1a9..43e10b0 100644
--- a/send-pack.c
+++ b/send-pack.c
@@ -9,10 +9,10 @@
 "git-send-pack [--all] [--exec=git-receive-pack] <remote> [<head>...]\n"
 "  --all and explicit <head> specification are mutually exclusive.";
 static const char *exec = "git-receive-pack";
-static int verbose = 0;
-static int send_all = 0;
-static int force_update = 0;
-static int use_thin_pack = 0;
+static int verbose;
+static int send_all;
+static int force_update;
+static int use_thin_pack;
 
 static int is_zero_sha1(const unsigned char *sha1)
 {