Bug#932523: kfreebsd-10: Don't build against flex-old

[Tommi Vainikainen <tvainika@debian.org>]

Source: kfreebsd-10
Severity: normal
Tags: patch

Hi, as a maintainer of flex-old package I'm considering requesting
removing it as obsolete and unmaintained version of flex.  kfreebsd-10
Build-Depends on flex-old as alternative to current flex. Please build
the package only against current flex by removing references to
flex-old package such as changed in the following patch.

--- debian/control.in~	2019-02-02 19:10:51.000000000 +0200
+++ debian/control.in	2019-07-20 14:38:43.787850002 +0300
@@ -12,7 +12,7 @@
  debhelper (>= 11~),
  bzip2,
  sharutils,
- flex | flex-old,
+ flex,
  freebsd-buildutils (>= 10.3~),
  freebsd-glue (>= 0.2.20~),
  freebsd-mk (>= 10.3~),