suppress warnings about easch <applet>_main() having
no preceding prototype
diff --git a/coreutils/head.c b/coreutils/head.c
index 59b4d55..ed1d01d 100644
--- a/coreutils/head.c
+++ b/coreutils/head.c
@@ -31,6 +31,7 @@
 
 static const char header_fmt_str[] = "\n==> %s <==\n";
 
+int head_main(int argc, char **argv);
 int head_main(int argc, char **argv)
 {
 	unsigned long count = 10;