A cleanup patch from Jeff Garzik to static-ify a number of
namespace polluting things that really should be static.
diff --git a/head.c b/head.c
index fac9ec6..0c8ef3d 100644
--- a/head.c
+++ b/head.c
@@ -29,7 +29,7 @@
 #include <string.h>
 #include "busybox.h"
 
-int head(int len, FILE *fp)
+static int head(int len, FILE *fp)
 {
 	int i;
 	char *input;