1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libc/string/ffs.c b/src/lib/libc/string/ffs.c
index de4480a7ef..a75fd9d79f 100644
--- a/src/lib/libc/string/ffs.c
+++ b/src/lib/libc/string/ffs.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ffs.c,v 1.8 2014/06/10 04:17:37 deraadt Exp $ */
+/*      $OpenBSD: ffs.c,v 1.9 2015/08/31 02:53:57 guenther Exp $        */
 
 /*
  * Public domain.
@@ -38,3 +38,4 @@ ffs(int mask)
 
         return (bit + t[ r & 0xf ]);
 }
+DEF_WEAK(ffs);