Don't prototype usage as static.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fmt.c b/src/fmt.c
index f0f7108ee..b944e3641 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -262,7 +262,7 @@ static int next_prefix_indent;
    paragraphs chosen by fmt_paragraph().  */
 static int last_line_length;
 
-static void
+void
 usage (int status)
 {
   if (status != 0)