This mostly reverts commit 
2aae14d55cd61ba334dea78c16f16a33a77f6a28
("Drop build-dependencies on patch and quilt as there are no more
patches"), but doesn't re-add the build-dependency on patch.
Conflicts:
	debian/changelog
	debian/control
 
     + Drop quilt patch t-prot-20120207 (was cherry-picked from upstream)
     + Drop applying mutt 1.5.x patches, they're default now
     + Drop applying slang-2 patches, they're default now
-    + Drop build-dependencies on patch and quilt as there are no more patches.
-    + Drop quilt usage from debian/rules
+    + Drop build-dependency on patch
   * Drop unused code from debian/rules
   * Add Brazilian Portuguese debconf templates translation. (Closes: #719936)
     Thanks Adriano Rafael Gomes!
 
 Priority: optional
 Maintainer: Gerfried Fuchs <rhonda@debian.org>
 Uploaders: Axel Beckert <abe@debian.org>
-Build-Depends-Indep: po-debconf
+Build-Depends-Indep: po-debconf,
+                     quilt (>= 0.40-1~)
 Standards-Version: 3.9.5
 Homepage: http://www.escape.de/~tolot/mutt/
 Vcs-Browser: http://git.deb.at/w/pkg/t-prot.git
 
        $(checkdir)
        $(checkroot)
        -rm -rf $(TMP) debian/files debian/stamp-*
+       $(MAKE) -f /usr/share/quilt/quilt.make unpatch
 
 build: build-arch build-indep
 build-arch: debian/stamp-build
 build-indep: debian/stamp-build
 debian/stamp-build:
        # only thing to do is apply the patches ...
+       $(MAKE) -f /usr/share/quilt/quilt.make patch
        touch debian/stamp-build