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/archival/unzip.c b/archival/unzip.c
index 21d4c2535..bd113af20 100644
--- a/archival/unzip.c
+++ b/archival/unzip.c
@@ -93,7 +93,7 @@ static int unzip_extract(zip_header_t *zip_header, int src_fd, int dst_fd)
         return 0;
 }
 
-int unzip_main(int argc, char **argv);
+int unzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unzip_main(int argc, char **argv)
 {
         zip_header_t zip_header;