Added recursive POI dir searching to be consistent with map dir searching

src/map/maplist.cpp

@@ -82,6 +82,9 @@ bool MapList::loadFile(const QString &path, bool *atlas, bool dir)
 bool MapList::loadFile(const QString &path)
 {
 	bool atlas;
+
+	_errorString.clear();
+
 	return loadFile(path, &atlas, false);
 }
 
@@ -93,6 +96,8 @@ bool MapList::loadDir(const QString &path)
 	QFileInfoList ml = md.entryInfoList();
 	bool atlas, ret = true;
 
+	_errorString.clear();
+
 	for (int i = 0; i < ml.size(); i++) {
 		const QFileInfo &fi = ml.at(i);
 		QString suffix = fi.suffix().toLower();

src/map/mapsource.h

@@ -25,7 +25,7 @@ private:
 	void map(QXmlStreamReader &reader);
 
 	QString _errorString;
-	Map* _map;
+	Map *_map;
 };
 
 #endif // MAPSOURCE_H