po: Add Turkish program translations

Closes: #763825

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

debian/changelog

@@ -7,6 +7,7 @@ dpkg (1.17.14) UNRELEASED; urgency=low
   [ Updated programs translations ]
   * Czech (Miroslav Kure).
   * Polish (Łukasz Dulny).
+  * Turkish (Mert Dirik). Closes: #763825
 
   [ Updated manpages translations ]
   * German (Helge Kreutzmann).

po/LINGUAS

@@ -115,6 +115,9 @@ th
 # Tagalog - Eric Pareja <xenos@upm.edu.ph>
 tl
 
+# Turkish - Mert Dirik <mertdirik@gmail.com>
+tr
+
 # Vietnamese - Clytie Siddall <clytie@riverland.net.au>
 vi