Move the spec file version to 3.9.4
diff --git a/activemq-cpp/activemq-cpp.spec b/activemq-cpp/activemq-cpp.spec
index cd2419f..18b25c9 100644
--- a/activemq-cpp/activemq-cpp.spec
+++ b/activemq-cpp/activemq-cpp.spec
@@ -1,5 +1,5 @@
 Name:           activemq-cpp
-Version:        3.9.3
+Version:        3.9.4
 Release:        1%{?dist}
 Summary:        C++ Implementation of a JMS style Messaging Client