CMake: Compile fix

Amend 7dd8858fa2.  Was not unusused after all.

Change-Id: I18c5f5033ebd8b3e19ebdf4718465d6b4ba6acf4
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp

@@ -497,7 +497,7 @@ void CMakeBuildSystem::updateProjectData()
         updateQmlJSCodeModel();
     }
 
-    emit m_buildConfiguration->emitBuildTypeChanged();
+    emit m_buildConfiguration->buildTypeChanged();
 
     m_buildDirManager.resetData();