fix warning.

mailnews/base/src/nsMsgAccountManager.cpp

@@ -314,8 +314,8 @@ NS_IMPL_ISUPPORTS2(nsMsgAccountManager, nsIMsgAccountManager, nsIObserver)
 nsMsgAccountManager::nsMsgAccountManager() :
   m_accountsLoaded(PR_FALSE),
   m_defaultAccount(null_nsCOMPtr()),
-  m_prefs(0),
-  m_haveShutdown(PR_FALSE)
+  m_haveShutdown(PR_FALSE),
+  m_prefs(0)
 {
   NS_INIT_REFCNT();
 

widget/src/xpwidgets/nsPrimitiveHelpers.cpp

@@ -57,7 +57,7 @@ nsPrimitiveHelpers :: CreatePrimitiveForData ( const char* aFlavor, void* aDataB
     nsCOMPtr<nsISupportsWString> primitive;
     nsresult rv = nsComponentManager::CreateInstance(NS_SUPPORTS_WSTRING_PROGID, nsnull, 
                                                       NS_GET_IID(nsISupportsWString), getter_AddRefs(primitive));
-    if ( primitive ) {
+    if (NS_SUCCEEDED(rv) && primitive ) {
       primitive->SetData ( (unsigned short*)aDataBuff );
       nsCOMPtr<nsISupports> genericPrimitive ( do_QueryInterface(primitive) );
       *aPrimitive = genericPrimitive;