Log Message:
zziplib: update to 0.13.71.

Recreate patch-ba as patch-configure and add comment.

2020-04-14  gdraheim@github
    * The testbuilds allow to compile and test for different os via docker
    * The testbuilds allow to compare new cmake to automake install results
    * Found fixes to bring base, sdl, manpages and site docs to same level
    * release 0.13.71

2020-04-14  gdraheim@github
    * there have been tons of bugfixes over the last two years ...
    * Thanks go to Patrick Steinhardt (then at Aservo) for python3 updates
    * Thanks go to Josef Moellers (working at SUSE Labs) for many CVE fixes
    * and of course all the other patches that came in via github issues.
    * I have cleaned up sources to only uses Python3 (as needed by 2020).
    * !!! The old automake/autconf/libtool system will be dumped soon!!!
    * The build system was ported to 'cmake' .. (last tested cmake 3.10.2)
    * release 0.13.70