unpatch target missing in dpatch.mk

[Lucas Nussbaum]

Hi,

Could you please consider merging a recent Debian version, or backporting the fix to Debian bug #284231 (it's a one-liner) ?

This bug prevents librmagick-ruby from building.

Thank you,

[Martin Pitt (pitti)]

 cdbs (0.4.34ubuntu1) dapper; urgency=low
 .
   * Upgrade to a sligthly newer Debian revision to get some bug fixes. Later
     revisions have more intrusive changes and are inappropriate for Dapper.
     - Fixes dpatch.mk unpatching. Closes LP#34814
 .
 cdbs (0.4.34) unstable; urgency=low
 .
   * Removed old FSF address from copyright file
   * Removed spurious leftover confstatMD3O4Y directory
   * Only print "deprecated" warning if variable is actually changed from
     default (closes: #256079)
   * Corrected DEB_COMPRESS_EXCLUDE, DEB_FIXPERMS_EXCLUDE documentation
     (debhelper.mk) (closes: #260531)
   * Cosmetic change to make emacs font-lock happier (buildcore.mk)
     (closes: #317870)
   * Corrected typo in guide (closes: #348536)
   * Use elinks to build better-looking plain-text documentation
     (closes: #330707)
   * Properly (un)indented makefile comments so they don't appear in the
     output (closes: #311464)
   * Removed useless old changelogs
   * Renamed documentation files from .xhtml to .html
   * Integrated guide build better with Automake
   * Eliminated installation of .dbk files
   * Added man page for cdbs-edit-patch and accept --help (closes: #312736)
   * Added Suggests of devscripts (better fix for #327151)
   * Fixed testsuite so that it actually fails if there is an error
   * Added a python-* package to testsuite so the distutils tests actually
     do something; fixed Makefile.am so that they have a chance of being
     called
 .
 cdbs (0.4.33) unstable; urgency=low
 .
   * Added myself to uploaders
   * Allow specifying a makefile (makefile-vars.mk) (closes: #282959)
   * Skip cleaning if DEB_MAKE_CLEAN_TARGET is unset (makefile.mk)
     (closes: #338625)
   * Add unpatch target for dpatch-edit-patch (dpatch.mk) (closes: #284231)
   * Remove debian/patched/ on clean (dpatch.mk) (closes: #285244)
   * Remove leading comma in Build-Depends line (buildcore.mk)
     (closes: #294537)
   * Propagate CPPFLAGS (autotools-vars.mk) (closes: #301667)
   * Recognize "changelog" as upstream changelog name (debhelper.mk)
     (closes: #311517)
   * cdbs-edit-patch: Use debian/rules clean instead of debclean
     (closes: #327151)
   * cdbs-edit-patch: Create debian/patches directory (closes: #344383)
   * Fix typo in documentation (closes: #260408)
   * Add missing parentheses in python-distutils.mk (closes: #281053)