tiny nl_NL errors

[A321]

Hello,

The nl_NL file missed some capital letters, so here's a small patch

--- labels - kopie.inc	Tue Mar  4 18:12:29 2008
+++ labels.inc	Tue Mar  4 18:15:51 2008
@@ -22,7 +22,7 @@
 $labels['username'] = 'Gebruikersnaam';
 $labels['password'] = 'Wachtwoord';
 $labels['server'] = 'Server';
-$labels['login'] = 'Login';
+$labels['login'] = 'Inloggen';
 $labels['logout'] = 'Uitloggen';
 $labels['mail'] = 'E-Mail';
 $labels['settings'] = 'Persoonlijke Instellingen';
@@ -35,7 +35,7 @@
 $labels['subject'] = 'Onderwerp';
 $labels['from'] = 'Afzender';
 $labels['to'] = 'Ontvanger';
-$labels['cc'] = 'kopie';
+$labels['cc'] = 'Kopie';
 $labels['bcc'] = 'Bcc';
 $labels['replyto'] = 'Antwoord-aan';
 $labels['date'] = 'Datum';
@@ -106,7 +106,7 @@
 $labels['savemessage'] = 'Bewaar als concept';
 $labels['sendmessage'] = 'Verstuur het bericht nu';
 $labels['addattachment'] = 'Voeg een bijlage toe';
-$labels['charset'] = 'karakterset';
+$labels['charset'] = 'Karakterset';
 $labels['editortype'] = 'Opmaak';
 $labels['returnreceipt'] = 'Ontvangstbevestiging';
 $labels['checkspelling'] = 'Controleer spelling';