compiler warning inspired fixes

js/src/xpconnect/xpcwrappedjsclass.cpp

@@ -67,8 +67,8 @@ nsXPCWrappedJSClass::GetNewOrUsedClass(XPCContext* xpcc,
 nsXPCWrappedJSClass::nsXPCWrappedJSClass(XPCContext* xpcc, REFNSIID aIID,
                                          nsIInterfaceInfo* aInfo)
     : mXPCContext(xpcc),
-      mIID(aIID),
       mInfo(aInfo),
+      mIID(aIID),
       mDescriptors(NULL)
 {
     NS_ADDREF(mInfo);

js/src/xpconnect/xpcwrappednative.cpp

@@ -192,11 +192,11 @@ nsXPCWrappedNative::nsXPCWrappedNative(nsISupports* aObj,
                                      nsXPCWrappedNativeClass* aClass,
                                      nsXPCWrappedNative* root)
     : mObj(aObj),
-      mClass(aClass),
       mJSObj(NULL),
+      mClass(aClass),
+      mDynamicScriptable(NULL),
       mRoot(root ? root : this),
-      mNext(NULL),
-      mDynamicScriptable(NULL)
+      mNext(NULL)
 
 {
     NS_PRECONDITION(mObj, "bad object to wrap");