compatibility with older wxWidgets versions

src/data/format/mse2.cpp

@@ -23,7 +23,11 @@ class MSE2FileFormat : public FileFormat {
 	virtual bool canExport(const Game&) { return true; }
 	virtual SetP importSet(const String& filename) {
 		wxString set_name = filename;
-		filename.EndsWith(_("/set"), &set_name);
+		// Strip "/set" from the end, newer wx versions have a function for this:
+		//   filename.EndsWith(_("/set"), &set_name);
+		if (filename.size() > 4 && filename.substr(filename.size()-4) == _("/set")) {
+			set_name = filename.substr(0, filename.size()-4);
+		}
 		SetP set(new Set);
 		set->open(set_name);
 		settings.addRecentFile(set_name);