1 files changed, 1 insertions, 0 deletions

diff --git a/archival/gzip.c b/archival/gzip.c
index 2b520b3e7..48d1652bc 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -2086,6 +2086,7 @@ static void abort_gzip(int ATTRIBUTE_UNUSED ignored)
         exit(1);
 }
 
+int gzip_main(int argc, char **argv);
 int gzip_main(int argc, char **argv)
 {
         enum {