Collision between glissando and dot

[Marc]

> I'm not top posting.

The glissando collides with the dot 

\version "2.10.33"
\paper{ ragged-right=##t }
\score {
                \relative d' {
                d2 e8 f8 a8 d8 f8 a d4. \glissando c8 c4  
                }
}