Enable Esperanto and Asturian languages

Missed in commits ce04415c6b809e4936f9b69d5ea60daa06f0657d and
8ab2d4a31934027a1824f8ba6458e8de175ccdb5.

po/LINGUAS

@@ -4,6 +4,9 @@
 # the current maintainer's name in their preferred form and contact
 # e-mail address.
 
+# Asturian - Marcos Alvarez Costales <marcos.alvarez.costales@gmail.com>
+ast
+
 # Bosnian - Safir Šećerović <sapphire@linux.org.ba>
 bs
 
@@ -25,6 +28,9 @@ dz
 # Greek (Hellenic) - George Papamichelakis <george@step.gr>
 el
 
+# Esperanto - Felipe Castro <fefcas@gmail.com>
+eo
+
 # Spanish - Javier Fernández-Sanguino Peña <jfs@debian.org>
 es