Codechange: do not declare functions in blocks

src/network/core/tcp_content.cpp

@@ -85,7 +85,6 @@ const char *ContentInfo::GetTextfile(TextfileType type) const
 			break;
 		case CONTENT_TYPE_SCENARIO:
 		case CONTENT_TYPE_HEIGHTMAP:
-			extern const char *FindScenario(const ContentInfo *ci, bool md5sum);
 			tmp = FindScenario(this, true);
 			break;
 	}

src/network/core/tcp_game.cpp

@@ -42,7 +42,6 @@ NetworkRecvStatus NetworkGameSocketHandler::CloseConnection(bool error)
 {
 	/* Clients drop back to the main menu */
 	if (!_network_server && _networking) {
-		extern void ClientNetworkEmergencySave(); // from network_client.cpp
 		ClientNetworkEmergencySave();
 		_switch_mode = SM_MENU;
 		_networking = false;