Cabal revisions of haskeline-0.6.4.6

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 Name:           haskeline Cabal-Version:  >=1.6 Version:        0.6.4.6+x-revision: 1 Category:       User Interfaces License:        BSD3 License-File:   LICENSE flag libiconv     Description: Explicitly link against the libiconv library.     Default: False++custom-setup+    setup-depends: Cabal < 2+                 , base < 4.6+                 , extensible-exceptions >=0.1.1.0 && <0.2+                 , directory >=1.0 && < 1.2  Library     if flag(base2) {