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/miscutils/rx.c b/miscutils/rx.c
index 675aad2a0..898703c59 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -249,7 +249,7 @@ static void sigalrm_handler(int ATTRIBUTE_UNUSED signum)
 {
 }
 
-int rx_main(int argc, char **argv);
+int rx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rx_main(int argc, char **argv)
 {
         char *fn;