Added wxDllLoader::UnloadLibrary()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2949 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dynlib.h

@@ -76,6 +76,8 @@ class wxDllLoader
        @return A handle to the loaded DLL. Use success parameter to test if it is valid.
    */
    static wxDllType LoadLibrary(const wxString & libname, bool *success);
+   /** This function unloads the shared library. */
+   static void UnloadLibrary(wxDllType dll);
    /** This function returns a valid handle for the main program
        itself. */
    static wxDllType GetProgramHandle(void);