Qt4ProjectManager: Export Qt4Manager.

Change-Id: I4de9f5b0cdda0065f415b6d4e915343bd49fad14
Reviewed-on: http://codereview.qt-project.org/5543

Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/qt4projectmanager/qt4projectmanager.h

@@ -33,6 +33,8 @@
 #ifndef QT4PROJECTMANAGER_H
 #define QT4PROJECTMANAGER_H
 
+#include "qt4projectmanager_global.h"
+
 #include <projectexplorer/iprojectmanager.h>
 #include <projectexplorer/projectnodes.h>
 
@@ -64,7 +66,7 @@ class Qt4ProjectManagerPlugin;
 
 class Qt4Project;
 
-class Qt4Manager : public ProjectExplorer::IProjectManager
+class QT4PROJECTMANAGER_EXPORT Qt4Manager : public ProjectExplorer::IProjectManager
 {
     Q_OBJECT