Add missing class declaration.

diff --git a/src/sound_frame.h b/src/sound_frame.h
index 9cb8aa0d77f17c0406d7ee69307f829f120c1810..154ff84b4b40d1c472464633cece2bbb2d353ebd 100644 (file)
--- a/src/sound_frame.h
+++ b/src/sound_frame.h
@@ -27,6 +27,7 @@ namespace ASDCP {
        namespace PCM {
                class FrameBuffer;
        }
+       class AESDecContext;
 }
 
 namespace libdcp {