SetDisplayDirectory is deprecated

...and SetDisplayFolder seems correct here, anyway, given that aReccomendedDir (sic)
denotes a directory, not a file.

Change-Id: I2f77e8e9fe0948a028f344639d383726b4b8641d

sfx2/source/doc/guisaveas.cxx

@@ -957,7 +957,7 @@ sal_Bool ModelData_Impl::OutputFileDialog( sal_Int8 nStoreMode,
 
     ::rtl::OUString aReccomendedDir = GetReccomendedDir( aSuggestedDir );
     if ( !aReccomendedDir.isEmpty() )
-        pFileDlg->SetDisplayDirectory( aReccomendedDir );
+        pFileDlg->SetDisplayFolder( aReccomendedDir );
     ::rtl::OUString aReccomendedName = GetReccomendedName( aSuggestedName, aAdjustToType );
     if ( !aReccomendedName.isEmpty() )
         pFileDlg->SetFileName( aReccomendedName );