LanguageClient: Compile fix

A file from a later change set sneaked in.

Change-Id: I1e4ef7c1fb38c254eede12699c80bbf9a0b2181f
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/languageclient/languageclientplugin.cpp

@@ -50,7 +50,7 @@ void LanguageClientPlugin::initialize()
     setupCallHierarchyFactory();
     setupTypeHierarchyFactory();
     setupLanguageClientProjectPanel();
-    setupLanguageClientManager();
+    setupLanguageClientManager(this);
     setupLanguageClientOutline();
 
 #ifdef WITH_TESTS