Bump version to 1.17.5

debian/changelog

@@ -1,3 +1,9 @@
+dpkg (1.17.5) UNRELEASED; urgency=low
+
+  *
+
+ -- Guillem Jover <guillem@debian.org>  Sat, 07 Dec 2013 08:34:29 +0100
+
 dpkg (1.17.4) unstable; urgency=low
 
   * Keep the diversions and statoverride database files open during dpkg