Update Dutch language file

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15387 a1c6a512-1295-4272-9138-f99709370657
diff --git a/apps/lang/nederlands.lang b/apps/lang/nederlands.lang
index 19cbe6b..f64ce7a 100644
--- a/apps/lang/nederlands.lang
+++ b/apps/lang/nederlands.lang
@@ -11389,3 +11389,20 @@
     *: "Lege lijst"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_NOT_PRESENT
+  desc: when external memory is not present
+  user:
+  <source>
+    *: none
+    multivolume: "Not present"
+  </source>
+  <dest>
+    *: none
+    multivolume: "Niet aanwezig"
+  </dest>
+  <voice>
+    *: none
+    multivolume: "Niet aanwezig"
+  </voice>
+</phrase>