po: Update Dutch dselect translation

Closes: #771237
Signed-off-by: Guillem Jover <guillem@debian.org>

debian/changelog

@@ -58,6 +58,7 @@ dpkg (1.17.22) UNRELEASED; urgency=low
 
   [ Updated dselect translations ]
   * Danish (Joe Dalton).
+  * Dutch (Frans Spiesschaert). Closes: #771237
   * French (Sébastien Poher). Closes: #767918
   * Swedish (Peter Krefting).