I have httrack installed on my MAcbookpro via "Homebrew"

An attempt to update returns... 

==> Upgrading httrack
==> Downloading <https://mirror.httrack.com/historical/httrack-3.48.21.tar.gz>
Already downloaded: /Library/Caches/Homebrew/httrack-3.48.21.tar.gz
==> ./configure --prefix=/usr/local/Cellar/httrack/3.48.21
==> make install
In file included from htsname.c:39:
md5.h:47: error: redefinition of typedef 'MD5CTX'
md5.h:28: error: previous declaration of 'MD5CTX' was here
make[1]: *** [libhttrack_la-htsname.lo] Error 1
make: *** [install-recursive] Error 1

READ THIS: <https://git.io/brew-troubleshooting>

I read elsewhere that there is a fix for this, but just wondering how/when
that gets propogated, or how to bypass and do myself.