Fixed a lot of MSVC problems

libsettings/include/settingsobject.h

@@ -162,4 +162,9 @@ private:
 	QMap<QString, Setting *> m_settings;
 };
 
+/*!
+ * \brief A global settings object.
+ */
+LIBMMCSETTINGS_EXPORT extern SettingsObject *globalSettings;
+
 #endif // SETTINGSOBJECT_H

libsettings/src/settingsobject.cpp

@@ -18,6 +18,8 @@
 
 #include <QVariant>
 
+SettingsObject *globalSettings;
+
 SettingsObject::SettingsObject(QObject *parent) :
 	QObject(parent)
 {