use boost.locale for charset conversions instead of iconv

src/lastfm.cpp

@@ -127,12 +127,11 @@ void Lastfm::Load()
 	{
 		bool first = 1;
 		std::string line;
-		while (getline(input, line))
+		while (std::getline(input, line))
 		{
 			if (!first)
 				w << '\n';
-			IConv::utf8ToLocale_(line);
-			w << line;
+			w << Charset::utf8ToLocale(line);
 			first = 0;
 		}
 		input.close();
@@ -171,8 +170,7 @@ void Lastfm::Download()
 	{
 		Save(result.second);
 		w.clear();
-		IConv::utf8ToLocale_(result.second);
-		w << result.second;
+		w << Charset::utf8ToLocale(result.second);
 		itsService->colorizeOutput(w);
 	}
 	else