Make defs refcounted, rename upb_context->upbsymtab.

There is currently a memory leak when type definitions
form cycles.  This will need to be dealt with.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/upb_msg.h b/src/upb_msg.h
index 42f9bb2..adee884 100644
--- a/src/upb_msg.h
+++ b/src/upb_msg.h
@@ -59,7 +59,7 @@ INLINE struct upb_msg *upb_msg_new(struct upb_msgdef *md) {
   memset(msg, 0, size);
   upb_mmhead_init(&msg->mmhead);
   msg->def = md;
-  upb_msgdef_ref(md);
+  upb_def_ref(UPB_UPCAST(md));
   return msg;
 }