declare Formatter for everyone

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/include/types.h b/src/include/types.h
index 19982db6d2a1e7a4baf3520314e95647ee036cf3..8e35ba0f5a7c31a111371055b13cfd6fb2a49dfd 100644 (file)
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -234,6 +234,9 @@ struct ltstr
 };
 
 
+namespace ceph {
+  class Formatter;
+}
 
 #include "encoding.h"