Tighten dependencies between dpkg and dpkg-dev due to the modularization.

debian/changelog

@@ -25,6 +25,8 @@ dpkg (1.14.6) UNRELEASED; urgency=low
   * Do not segfault when the result from a 'dpkg-query -l' is bigger than
     the total number of current packages, and do not produce repeated
     results with overlapping patterns on 'dpkg-query -W'. Closes: #428427
+  * Tightening dpkg-dev versioned Depends to dpkg 1.14.6, and dpkg Conflicts
+    against << dpkg-dev 1.14.6, where the perl modularization started.
 
   [ Updated scripts translations ]
   * French (Frédéric Bothamy, Christian Perrier).

debian/control

@@ -15,7 +15,7 @@ Architecture: any
 Essential: yes
 Pre-Depends: ${shlibs:Depends}, coreutils (>= 5.93-1)
 Conflicts: sysvinit (<< 2.82-1), dpkg-iasearch (<< 0.11), dpkg-static,
- dpkg-dev (<< 1.14.0)
+ dpkg-dev (<< 1.14.6)
 Replaces: dpkg-doc-ja, dpkg-static, manpages-de (<= 0.4-3),
  manpages-pl (<= 20051117-1)
 Suggests: apt, lzma
@@ -30,7 +30,7 @@ Package: dpkg-dev
 Section: utils
 Priority: optional
 Architecture: all
-Depends: dpkg (>= 1.14.0), perl5, perl-modules, cpio (>= 2.4.2-2),
+Depends: dpkg (>= 1.14.6), perl5, perl-modules, cpio (>= 2.4.2-2),
  patch (>= 2.2-1), make, binutils
 Recommends: gcc | c-compiler, bzip2
 Suggests: gnupg, debian-keyring