node: Fix of getting a pointer to the static member function (& necessary for some compilers)

Change-Id: I7b48310f37a189ee325c1cf9460010387df2400c
diff --git a/src/node.cpp b/src/node.cpp
index 2b8e8b7..d227199 100644
--- a/src/node.cpp
+++ b/src/node.cpp
@@ -265,7 +265,7 @@
       if (timeout > 0)
         {
           processEventsTimeoutTimer_->expires_from_now(boost::posix_time::milliseconds(timeout));
-          processEventsTimeoutTimer_->async_wait(fireProcessEventsTimeout);
+          processEventsTimeoutTimer_->async_wait(&fireProcessEventsTimeout);
         }
       
       if (keepThread) {