lib/expat: use C++ exceptions instead of class Error

src/db/plugins/upnp/Directory.hxx

@@ -36,6 +36,9 @@ class UPnPDirContent {
 public:
 	std::vector<UPnPDirObject> objects;
 
+	UPnPDirContent() = default;
+	UPnPDirContent(UPnPDirContent &&) = default;
+
 	~UPnPDirContent();
 
 	gcc_pure
@@ -60,7 +63,7 @@ public:
 	 * actually global, nothing really bad will happen if you mix
 	 * up...
 	 */
-	bool parse(const char *didltext, Error &error);
+	void Parse(const char *didltext);
 };
 
 #endif /* _UPNPDIRCONTENT_H_X_INCLUDED_ */