Bump version to 1.17.2

debian/changelog

@@ -1,3 +1,9 @@
+dpkg (1.17.2) UNRELEASED; urgency=low
+
+  *
+
+ -- Guillem Jover <guillem@debian.org>  Sun, 28 Jul 2013 15:06:29 +0200
+
 dpkg (1.17.1) unstable; urgency=low
 
   * Man pages cleanup: