[gjs] keep-alive: Call JS_CallTracer how Firefox does

[Colin Walters <walters src gnome org>]

commit 50b08c82ba42d293ce0d099769e79bc9908b40c5
Author: Colin Walters <walters verbum org>
Date:   Thu May 5 12:51:13 2011 -0400

    keep-alive: Call JS_CallTracer how Firefox does
    
    We were passing a JSObject* as jsval, and not calling
    JSVAL_TO_TRACEABLE.

 gi/keep-alive.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gi/keep-alive.c b/gi/keep-alive.c
index e268eaf..28a7259 100644
--- a/gi/keep-alive.c
+++ b/gi/keep-alive.c
@@ -151,8 +151,10 @@ trace_foreach(void *key,
     JSTracer *tracer = data;
 
     if (child->child != NULL) {
+        jsval val;
         JS_SET_TRACING_DETAILS(tracer, NULL, "keep-alive", 0);
-        JS_CallTracer(tracer, child->child, JSTRACE_OBJECT);
+        val = OBJECT_TO_JSVAL(child->child);
+        JS_CallTracer(tracer, JSVAL_TO_TRACEABLE (val), JSTRACE_OBJECT);
     }
 }