Linux/macOS: Fix failure to use Hungarian language cause by issue in XML parser.

The method GetNodes implementation didn't parse multiple attributes correctly and it failed with Hungarian XML because of the presence of '>' character in an attribute value.

Issue reported in https://github.com/veracrypt/VeraCrypt/pull/1516

src/Main/Xml.h

@@ -47,6 +47,7 @@ namespace VeraCrypt
 
 	protected:
 		wxString XmlText;
+		size_t FindTagEnd(size_t startPos) const;
 
 	private:
 		XmlParser (const XmlParser &);