1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/who.c b/coreutils/who.c
index 546050aee..6e7710c2d 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -39,7 +39,7 @@ static void idle_string(char *str6, time_t t)
         strcpy(str6, "old");
 }
 
-int who_main(int argc, char **argv);
+int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int who_main(int argc, char **argv)
 {
         char str6[6];