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/loginutils/addgroup.c b/loginutils/addgroup.c
index b213074a6..9b2c6790f 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -122,7 +122,7 @@ static void add_user_to_group(char **args,
  * If called with two non-option arguments, addgroup
  * will add an existing user to an existing group.
  */
-int addgroup_main(int argc, char **argv);
+int addgroup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int addgroup_main(int argc, char **argv)
 {
         char *group;