Set the m_isFrame flag corrcetly.

Typo.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8376 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/frame.cpp

@@ -447,6 +447,7 @@ void wxFrame::Init()
     m_menuBarDetached = FALSE;
     m_toolBarDetached = FALSE;
     m_insertInClientArea = TRUE;
+    m_isFrame = TRUE;
     m_isIconized = FALSE;
     m_fsIsShowing = FALSE;
     m_themeEnabled = TRUE;