update pb devpts.sh

[Dominique Rousset <dominique.rousset@univ-pau.fr>]

I tried to update my potato box this mornig and went in trouble
in fact the file 
/etc/init.d/dvpts.sh has a wrong brace in line 16.

D.
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| Dominique Rousset          | mailto:Dominique.Rousset@univ-pau.fr |
| Imagerie Géophysique Pau   | Tel    : +33 (0)5 59 92 31 71        |
| Université de Pau          | Fax    : +33 (0)5 59 92 31 86        |
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