minor

disambiguate error messages

src/remoteClient/clientContextImpl.cpp

@@ -3999,7 +3999,7 @@ public:
         Lock lock(m_contextMutex);
 
         if (m_contextState == CONTEXT_DESTROYED)
-            throw std::runtime_error("Context destroyed.");
+            throw std::runtime_error("Context destroyed!");
         else if (m_contextState == CONTEXT_INITIALIZED)
             throw std::runtime_error("Context already initialized.");