gc: support HMAC-SHA256 and HMAC-SHA512.

[gnulib.git] / m4 / sha256.m4

diff --git a/m4/sha256.m4 b/m4/sha256.m4
index 7eede32..cbbd17a 100644 (file)
--- a/m4/sha256.m4
+++ b/m4/sha256.m4
@@ -1,4 +1,4 @@
-# sha256.m4 serial 6
+# sha256.m4 serial 7
 dnl Copyright (C) 2005, 2008-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,4 +8,5 @@ AC_DEFUN([gl_SHA256],
 [
   dnl Prerequisites of lib/sha256.c.
   AC_REQUIRE([gl_BIGENDIAN])
+  :
 ])