add -fvisibility=hidden to CC flags, mark XXX_main functions

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

1 files changed, 1 insertions, 1 deletions

diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c
index 91fcb151b..42378d602 100644
--- a/networking/udhcp/dhcprelay.c
+++ b/networking/udhcp/dhcprelay.c
@@ -279,7 +279,7 @@ static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **cli
         }
 }
 
-int dhcprelay_main(int argc, char **argv);
+int dhcprelay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dhcprelay_main(int argc, char **argv)
 {
         int num_sockets, max_socket;