Add missing forward declaration.

diff --git a/file.h b/file.h
index f97d7c0b87f41b78603f574b42633fef4cbd88b0..2d7f1fd1a2f527005a1a63ddf7ebfcd2823a0424 100644 (file)
--- a/file.h
+++ b/file.h
@@ -12,6 +12,7 @@
 
 namespace AniDBUdpClient {
 
+class ClientInterface;
 class FileCommand;
 class MyListCommand;
 class HashResult;