[Muine] Little workaround

[Sergio Rubio <sergio rubio hispalinux es>]

Hi, this little silly patch makes muine compile against gtk#-cvs without
breaking support for 0.91.

Regards,
Rubio

--- src/AddAlbumWindow.cs	2004-05-12 11:59:12.000000000 +0200
+++ src/AddAlbumWindow.cs.patched	2004-05-12 12:20:44.000000000 +0200
@@ -184,7 +184,7 @@
 	{
 		ResponseArgs args = (ResponseArgs) a;
 
-		switch (args.ResponseId) {
+		switch ((int)args.ResponseId) {
 		case 1: /* Play */
 			window.Visible = false;
 
--- src/AddSongWindow.cs	2004-05-12 11:59:12.000000000 +0200
+++ src/AddSongWindow.cs.patched	2004-05-12 12:20:20.000000000 +0200
@@ -145,7 +145,7 @@
 	{
 		ResponseArgs args = (ResponseArgs) a;
 
-		switch (args.ResponseId) {
+		switch ((int)args.ResponseId) {
 		case 1: /* Play */
 			window.Visible = false;