[seed] Fix Compiler warning

[Alan Knowles <alank src gnome org>]

commit dd8c459cd3ecc38c68d7d2f1cfdc038ce2a2ad4d
Author: Alan Knowles <alan akkbhome com>
Date:   Tue Jun 29 23:03:32 2010 +0800

    Fix Compiler warning
    
    Cast JSValueMakeNull on make_struct / make_union to JSObjectRef to remove compiler warnings.

 libseed/seed-structs.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libseed/seed-structs.c b/libseed/seed-structs.c
index 088151b..be79ca5 100644
--- a/libseed/seed-structs.c
+++ b/libseed/seed-structs.c
@@ -558,7 +558,7 @@ seed_make_union (JSContextRef ctx, gpointer younion, GIBaseInfo * info)
 
   if (younion == NULL)
     {
-      return JSValueMakeNull (ctx);
+      return (JSObjectRef) JSValueMakeNull (ctx);
     }
 
   seed_struct_privates *priv = g_slice_alloc (sizeof (seed_struct_privates));
@@ -650,7 +650,7 @@ seed_make_struct (JSContextRef ctx, gpointer strukt, GIBaseInfo * info)
 
   if (strukt == NULL)
     {
-      return JSValueMakeNull (ctx);
+      return (JSObjectRef) JSValueMakeNull (ctx);
     }
 
   seed_struct_privates *priv = g_slice_alloc (sizeof (seed_struct_privates));