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/util-linux/mdev.c b/util-linux/mdev.c
index 33dc5d38f..a9c146942 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -287,7 +287,7 @@ static void load_firmware(const char *const firmware, const char *const sysfs_pa
         }
 }
 
-int mdev_main(int argc, char **argv);
+int mdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mdev_main(int argc, char **argv)
 {
         char *action;