Bump version to 1.15.8

debian/changelog

@@ -1,3 +1,9 @@
+dpkg (1.15.8) UNRELEASED; urgency=low
+
+  *
+
+ -- Guillem Jover <guillem@debian.org>  Wed, 21 Apr 2010 04:40:12 +0200
+
 dpkg (1.15.7) unstable; urgency=low
 
   [ Raphaël Hertzog ]