GCC 3.2 is really picky about friends & dllexport.

Now wxWindows compiles (again) as DLL with MinGW GCC 3.2


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17320 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/list.h

@@ -193,7 +193,7 @@ private:
 
 class WXDLLEXPORT wxListBase : public wxObject
 {
-friend class wxNodeBase;        // should be able to call DetachNode()
+friend class WXDLLEXPORT wxNodeBase; // should be able to call DetachNode()
 friend class wxHashTableBase;   // should be able to call untyped Find()
 private:
         // common part of all ctors