Fix extra ';' warning (fallout bug 600015).

js/src/jscompartment.h

@@ -107,7 +107,7 @@ class PreserveCompartment {
     JSContext *cx;
   private:
     JSCompartment *oldCompartment;
-    JS_DECL_USE_GUARD_OBJECT_NOTIFIER;
+    JS_DECL_USE_GUARD_OBJECT_NOTIFIER
   public:
      PreserveCompartment(JSContext *cx JS_GUARD_OBJECT_NOTIFIER_PARAM) : cx(cx) {
         JS_GUARD_OBJECT_NOTIFIER_INIT;