dpkg-scanpackages: Do not handle the Revision field

This field has already been parsed and handled by “dpkg-deb -I”.
The code is doubly useless, as additionally the version comparison is
done before the Revision has been folded into the Version field.

debian/changelog

@@ -5,7 +5,7 @@ dpkg (1.15.4) UNRELEASED; urgency=low
   * Fix inverted logic when deciding to assume the architecture in dpkg-name
     when the package didn't have such field.
   * Do not take into account Revision and Package_Revision fields in dpkg-name
-    as they have been handled already by “dpkg-deb -I”.
+    and dpkg-scanpackages as they have been handled already by “dpkg-deb -I”.
   * Switch dpkg-scansources to use Dpkg::Cdata instead of duplicating the
     .dsc parsing code. As a side effect it now handles properly bogus files.
   * Do not remap obsolete fields in dpkg-scanpackages as they have been

scripts/dpkg-scanpackages.pl

@@ -227,11 +227,6 @@ FILE:
         }
 	$tv{'Size'} = $size;
 	
-	if (defined $tv{Revision} and length($tv{Revision})) {
-	    $tv{Version}.= '-'.$tv{Revision};
-	    delete $tv{Revision};
-	}
-	
 	push @{$packages{$p}}, {%tv};
     }
 close($find_h);