fixed bug with details list not being shown under fvwm2 and windowmaker

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7048 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/logg.cpp

@@ -884,6 +884,7 @@ void wxLogDialog::OnDetails(wxCommandEvent& WXUNUSED(event))
     // in any case, our size changed - update
     sizer->SetSizeHints(this);
     sizer->Fit(this);
+    Show(TRUE);
 }
 
 wxLogDialog::~wxLogDialog()