1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_cursor.h b/sql/sql_cursor.h
index 1f19cbfdbcf..2a394e281b4 100644
--- a/sql/sql_cursor.h
+++ b/sql/sql_cursor.h
@@ -20,6 +20,10 @@
 #pragma interface                              /* gcc class interface */
 #endif
 
+#include "sql_class.h"                          /* Query_arena */
+
+class JOIN;
+
 /**
   @file