fix warning.

content/xul/content/src/nsXULElement.cpp

@@ -300,8 +300,8 @@ nsXULElement::nsXULElement()
       mParent(nsnull),
       mChildren(nsnull),
       mScriptObject(nsnull),
-      mIsAnonymous(PR_FALSE),
       mLazyState(0),
+      mIsAnonymous(PR_FALSE),
       mSlots(nsnull)
 {
     NS_INIT_REFCNT();

mailnews/mime/emitters/src/nsMimeHtmlEmitter.cpp

@@ -75,7 +75,7 @@ PRBool nsMimeHtmlDisplayEmitter::BroadCastHeadersAndAttachments()
   // try to get a header sink if there is one....
   nsCOMPtr<nsIMsgHeaderSink> headerSink; 
   nsresult rv = GetHeaderSink(getter_AddRefs(headerSink));
-  if (headerSink && mDocHeader)
+  if (NS_SUCCEEDED(rv) && headerSink && mDocHeader)
     return PR_TRUE;
   else
     return PR_FALSE;

rdf/content/src/nsXULElement.cpp

@@ -300,8 +300,8 @@ nsXULElement::nsXULElement()
       mParent(nsnull),
       mChildren(nsnull),
       mScriptObject(nsnull),
-      mIsAnonymous(PR_FALSE),
       mLazyState(0),
+      mIsAnonymous(PR_FALSE),
       mSlots(nsnull)
 {
     NS_INIT_REFCNT();