renamed one overload of private nolock_cleanup_connections method,

to avoid compiler problem on one test platform (sandia-intel-10.1).



[SVN r61277]

libs/signals2

@@ -1 +1 @@
-Subproject commit 62dce534c85283337420334b0cb311866529542f
+Subproject commit b542ddbc18b9693b892c72a448d9cde9c93b6515