Use declarations form MailAddon.h.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40416 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/mail_daemon/inbound_protocols/pop3/pop3.h

@@ -21,6 +21,7 @@
 #include <String.h>
 #include <View.h>
 
+#include "MailAddon.h"
 #include "MailProtocol.h"
 #include "MailSettings.h"
 #include <StringList.h>
@@ -88,11 +89,7 @@ private:
 };
 
 
-extern "C" InboundProtocol* instantiate_inbound_protocol(
-	BMailAccountSettings* settings);
-
 extern "C" status_t pop3_smtp_auth(BMessage& settings);
 
-extern "C" BView* instantiate_config_panel(MailAddonSettings& settings);
 
 #endif	/* POP3_H */