Upgrade attr.cfg to attr.ini

The extra characters (comments) are ignored when parsing this particular file,
so though this is not how we normally add comments to .ini files, it still
works fine in this case.

exec/update.js

@@ -233,6 +233,44 @@ upgraded = true;
 if(!upgraded)
 	js.exec("upgrade_to_v320.js", {});
 
+if(file_date(system.ctrl_dir + "attr.cfg") > file_date(system.ctrl_dir + "attr.ini")) {
+	print("file.cfg -> file.ini");
+	var f = new File(system.ctrl_dir + "attr.cfg");
+	if(!f.open("r"))
+		alert("Error " + f.error + " opening " + f.name);
+	else {
+		var list = f.readAll();
+		f.close();
+		f = new File(system.ctrl_dir + "attr.ini");
+		if(!f.open("w"))
+			alert("Error " + f.error + " creating " + f.name);
+		else {
+			f.writeln("mnehigh           = " + list.shift());
+			f.writeln("mnelow            = " + list.shift());
+			f.writeln("mnecmd            = " + list.shift());
+			f.writeln("inputline         = " + list.shift());
+			f.writeln("error             = " + list.shift());
+			f.writeln("nodenum           = " + list.shift());
+			f.writeln("nodeuser          = " + list.shift());
+			f.writeln("nodestatus        = " + list.shift());
+			f.writeln("filename          = " + list.shift());
+			f.writeln("filecdt           = " + list.shift());
+			f.writeln("filedesc          = " + list.shift());
+			f.writeln("filelisthdrbox    = " + list.shift());
+			f.writeln("filelistline      = " + list.shift());
+			f.writeln("chatlocal         = " + list.shift());
+			f.writeln("chatremote        = " + list.shift());
+			f.writeln("multichat         = " + list.shift());
+			f.writeln("external          = " + list.shift());
+			f.writeln("votes_full        = " + list.shift());
+			f.writeln("votes_empty       = " + list.shift());
+			f.writeln("progress_complete = " + list.shift());
+			f.writeln("progress_empty    = " + list.shift());
+			f.close();
+		}
+	}
+}
+
 print("Checking for v3.20 user base");
 if(file_exists(system.data_dir + 'user/user.dat') && !file_exists(system.data_dir + 'user/user.tab')) {
 	var cmdline = system.exec_dir + "upgrade_to_v320";