Catch up Os/2 to the state of the branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@20255 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/toplevel.cpp

@@ -801,7 +801,7 @@ void wxTopLevelWindowOS2::Maximize(
         // We can't maximize the hidden frame because it shows it as well, so
         // just remember that we should do it later in this case
         //
-        m_bMaximizeOnShow = TRUE;
+        m_bMaximizeOnShow = bMaximize;
     }
 } // end of wxTopLevelWindowOS2::Maximize