This fixes a nsDirectoryIterator bug that bliz, seth and I were working on last night.

Approved by cyeh.

xpcom/io/nsFileSpec.h

@@ -716,8 +716,11 @@ class NS_COM nsDirectoryIterator
 	    PRBool                  mExists;
         PRBool                  mResoveSymLinks;
 
-#if defined(XP_UNIX) || defined(XP_BEOS)
+#if defined(XP_UNIX) || defined(XP_BEOS) || defined (XP_PC)
 	    nsFileSpec		        mStarting;
+#endif
+        
+#if defined(XP_UNIX) || defined(XP_BEOS)
 	    DIR*                    mDir;
 #elif defined(XP_PC)
         PRDir*                  mDir; // XXX why not use PRDir for Unix too?

xpcom/io/nsFileSpecWin.cpp

@@ -285,6 +285,8 @@ PRBool nsFileSpec::IsSymlink() const
         psl->Release();
     }
 
+    CoUninitialize();
+
     return isSymlink;
 }
 
@@ -298,6 +300,8 @@ nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
     HRESULT hres; 
     IShellLink* psl; 
 
+    CoInitialize(NULL);
+
     // Get a pointer to the IShellLink interface. 
     hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl); 
     if (SUCCEEDED(hres)) 
@@ -344,6 +348,8 @@ nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
         psl->Release();
     }
 
+    CoUninitialize();
+
     if (SUCCEEDED(hres))
         return NS_OK;
 
@@ -595,11 +601,13 @@ nsDirectoryIterator::nsDirectoryIterator(const nsFileSpec& inDirectory, PRBool r
 //----------------------------------------------------------------------------------------
 	: mCurrent(inDirectory)
 	, mDir(nsnull)
+    , mStarting(inDirectory)
 	, mExists(PR_FALSE)
     , mResoveSymLinks(resolveSymlink)
 {
     mDir = PR_OpenDir(inDirectory);
 	mCurrent += "dummy";
+    mStarting += "dummy";
     ++(*this);
 } // nsDirectoryIterator::nsDirectoryIterator
 
@@ -622,6 +630,7 @@ nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
 	if (entry)
     {
       mExists = PR_TRUE;
+      mCurrent = mStarting;
       mCurrent.SetLeafName(entry->name);
       if (mResoveSymLinks)
       {