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/arp.c b/networking/arp.c
index 8cdee1832..36985fc5a 100644
--- a/networking/arp.c
+++ b/networking/arp.c
@@ -434,7 +434,7 @@ static int arp_show(char *name)
         return 0;
 }
 
-int arp_main(int argc, char **argv);
+int arp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int arp_main(int argc, char **argv)
 {
         char *hw_type;