EMX compilation,

Minor doc changes,
  wxFileDialog optical things,
  wxMessageDlg dimension


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/msgdlgg.cpp

@@ -98,9 +98,9 @@ wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent,
     topsizer->SetSizeHints( this );
     topsizer->Fit( this );
     wxSize size( GetSize() );
-    if (size.x < size.y*2)
+    if (size.x < size.y*3/2)
     {
-        size.x = size.y*2;
+        size.x = size.y*3/2;
 	SetSize( size );
     }