diff -r 000000000000 -r 6474c204b198 security/nss/cmd/lib/ffs.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/nss/cmd/lib/ffs.c	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#if !defined(XP_UNIX) && !defined(XP_OS2)
+
+int ffs( unsigned int i)
+{
+    int rv	= 1;
+
+    if (!i) return 0;
+
+    while (!(i & 1)) {
+    	i >>= 1;
+	++rv;
+    }
+
+    return rv;
+}
+#endif