diff -r 000000000000 -r 6474c204b198 xpcom/base/nsStackWalkPrivate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/base/nsStackWalkPrivate.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
+/* 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/. */
+
+/**
+ * Initialize the critical sections for this platform so that we can
+ * abort stack walks when needed.
+ */
+void
+StackWalkInitCriticalAddress(void);