Fix windows compilation

src/indicator/qtrayicon.h

@@ -38,10 +38,6 @@ public:
     void hide();
     void showMessage(const QString &title, const QString &message);
 
-#ifndef Q_OS_LINUX
-    void showMessage(const QString &title, const QString &message);
-#endif
-
 private:
     //system tray
     QAction *quit;

src/indicator/trayindicator_global.h

@@ -22,10 +22,14 @@
 
 #include <QtCore/qglobal.h>
 
+#ifdef Q_OS_LINUX
 #if defined(QCMA_TRAYINDICATOR_LIBRARY)
 #  define TRAYINDICATORSHARED_EXPORT Q_DECL_EXPORT
 #else
 #  define TRAYINDICATORSHARED_EXPORT Q_DECL_IMPORT
 #endif
+#else
+#  define TRAYINDICATORSHARED_EXPORT
+#endif
 
 #endif // TRAYINDICATOR_GLOBAL_H