Export Qt4ProjectManagerPlugin::MakeStep

Fixes the wrong exporting in a838d4ac

Change-Id: I3a56510f6821dd621a099d0345882264527e1059
Reviewed-on: http://codereview.qt.nokia.com/3948


Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/qt4projectmanager/makestep.h

@@ -57,7 +57,7 @@ class Qt4BuildConfiguration;
 
 namespace Internal {
 
-class QT4PROJECTMANAGER_EXPORT MakeStepFactory : public ProjectExplorer::IBuildStepFactory
+class MakeStepFactory : public ProjectExplorer::IBuildStepFactory
 {
     Q_OBJECT
 
@@ -79,7 +79,7 @@ public:
 
 class Qt4Project;
 
-class MakeStep : public ProjectExplorer::AbstractProcessStep
+class QT4PROJECTMANAGER_EXPORT MakeStep : public ProjectExplorer::AbstractProcessStep
 {
     Q_OBJECT
     friend class Internal::MakeStepFactory;