librbd/ImageCtx: remove unneeded forward declaration

Signed-off-by: Li Wang <li.wang@kylin-cloud.com>

diff --git a/src/librbd/ImageCtx.h b/src/librbd/ImageCtx.h
index ff60498aaf7ce2a0ad0563cb33c9f77ca4f62f74..fc5702025fb05df33deb7eebe47b7770c9da2cd1 100644 (file)
--- a/src/librbd/ImageCtx.h
+++ b/src/librbd/ImageCtx.h
@@ -38,7 +38,6 @@ class SafeTimer;
 
 namespace librbd {
 
-  struct ImageCtx;
   class AioCompletion;
   class AioImageRequestWQ;
   class AsyncOperation;