The openssl_locking_func() callback can be invoked through

OpenSSL_add_ssl_algorithms(), which causes instance() to be called
recursively before the static shared_ptr was initialized.


[SVN r35942]

libs/asio

@@ -1 +1 @@
-Subproject commit c7f491b73e6eaafb92ad2932de3bea0760688396
+Subproject commit 851d074dd68067a455e4be8e75d4a4bd82a2d7e2