Bug 288460

build bustage fix for mingw (which we believe is confused)
as far as we can tell mingw was making a copy of the temporary nsDeque before passing it to the nsDequeIterator
constructor (which takes a const reference)
patch by mrbkap r=timeless sr=dmose a=shaver

xpcom/build/dlldeps.cpp

@@ -127,8 +127,8 @@ void XXXNeverCalled()
     a.Alloc(0);
     a.Free(0, 0);
     nsIThread::GetCurrent(nsnull);
-    nsDeque(nsnull);
-    nsDequeIterator(nsDeque(nsnull));
+    nsDeque d(nsnull);
+    nsDequeIterator di(d);
     nsTraceRefcnt::LogAddCOMPtr(nsnull, nsnull);
     nsTraceRefcntImpl::DumpStatistics();
     NS_NewEmptyEnumerator(nsnull);