[gjs] js: Set global object trace hook

[Philip Chimento <pchimento src gnome org>]

commit bc00bac264e93bfa142146690742b741563caeef
Author: Philip Chimento <philip endlessm com>
Date:   Tue Nov 8 18:28:08 2016 -0800

    js: Set global object trace hook
    
    In mozjs31, global objects must have JS_GlobalObjectTraceHook() as their
    "trace" member.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=751252

 gjs/coverage.cpp   |   17 ++++++++++++++---
 gjs/jsapi-util.cpp |   17 ++++++++++++++---
 2 files changed, 28 insertions(+), 6 deletions(-)
---
diff --git a/gjs/coverage.cpp b/gjs/coverage.cpp
index 2dd6425..5e51d5b 100644
--- a/gjs/coverage.cpp
+++ b/gjs/coverage.cpp
@@ -1256,9 +1256,20 @@ gjs_coverage_init(GjsCoverage *self)
 }
 
 static JSClass coverage_global_class = {
-    "GjsCoverageGlobal", JSCLASS_GLOBAL_FLAGS_WITH_SLOTS(GJS_GLOBAL_SLOT_LAST),
-    JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
-    JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, NULL
+    "GjsCoverageGlobal",
+    JSCLASS_GLOBAL_FLAGS_WITH_SLOTS(GJS_GLOBAL_SLOT_LAST),
+    JS_PropertyStub,
+    JS_DeletePropertyStub,
+    JS_PropertyStub,
+    JS_StrictPropertyStub,
+    JS_EnumerateStub,
+    JS_ResolveStub,
+    JS_ConvertStub,
+    NULL,  /* finalize */
+    NULL,  /* call */
+    NULL,  /* hasInstance */
+    NULL,  /* construct */
+    JS_GlobalObjectTraceHook
 };
 
 static bool
diff --git a/gjs/jsapi-util.cpp b/gjs/jsapi-util.cpp
index 0cd8412..509a032 100644
--- a/gjs/jsapi-util.cpp
+++ b/gjs/jsapi-util.cpp
@@ -45,9 +45,20 @@ gjs_util_error_quark (void)
 }
 
 static JSClass global_class = {
-    "GjsGlobal", JSCLASS_GLOBAL_FLAGS_WITH_SLOTS(GJS_GLOBAL_SLOT_LAST),
-    JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
-    JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, NULL
+    "GjsGlobal",
+    JSCLASS_GLOBAL_FLAGS_WITH_SLOTS(GJS_GLOBAL_SLOT_LAST),
+    JS_PropertyStub,
+    JS_DeletePropertyStub,
+    JS_PropertyStub,
+    JS_StrictPropertyStub,
+    JS_EnumerateStub,
+    JS_ResolveStub,
+    JS_ConvertStub,
+    NULL,  /* finalize */
+    NULL,  /* call */
+    NULL,  /* hasInstance */
+    NULL,  /* construct */
+    JS_GlobalObjectTraceHook
 };
 
 /**