dropwatch-1.5.4-bp156.3.2

- Add BuildRequires:  pkgconfig(libzstd)
  * libzstd-devel doesn't be added in Leap 15 build env

- Use %patch -P N instead of deprecated %patchN.

- add 83.patch, bfd-link-statically.patch: fix build when
  statically linking libbfd

- Update to version 1.5.4
  * Support packet drop reason reporting when included in netlink message
  * fix some minor compilation warnings/errors
  * clean up some comments about deadline support
  * convert configure.ac to use AM_PROG_LIBTOOL from outdated LT_INIT
  * Fix missing SOL_NETLINK define in glibc < 2.24
  * Fix licensing issues that didn't make sense
  * ignore ENOBUFS errors on data socket
  * adding arm64 travis ci testing
  * man page updates
  * move to libnl3 from libnl
- add old-readline.diff to revert (when building for <= 15.x) an
  upstream change that requires libreadline >= 8.0

- Install dwdump

- Update to version 1.5.3
  * Too many changes to list

- Update to https://github.com/nhorman/dropwatch 48c9a19

- Import from git://git.fedorahosted.org/dropwatch.git 7c33d8a