1 files changed, 2 insertions, 0 deletions
diff --git a/io.c b/io.c
index 08e8fd6e7a..65704591b9 100644
--- a/io.c
+++ b/io.c
@@ -1531,6 +1531,8 @@ pipe_atexit _((void))
 }
 #endif
 
+static void pipe_finalize _((OpenFile *fptr));
+
 static void
 pipe_finalize(fptr)
     OpenFile *fptr;