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/tftp.c b/networking/tftp.c
index 59f53ae4a..a2683971a 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -391,7 +391,7 @@ static int tftp( USE_GETPUT(const int cmd,)
         return finished == 0; /* returns 1 on failure */
 }
 
-int tftp_main(int argc, char **argv);
+int tftp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tftp_main(int argc, char **argv)
 {
         len_and_sockaddr *peer_lsa;