Upgrade mutt to 0.59.1 PL0. (0.59e is hopelessly broken)
(note that 0.58 is out, but I want to lets the bugs shake out of it first).
And fix patches to version.h to say this version, rather than the last one. Noticed by: Andreas Klemm Excelent patches applied so that we can produce the HTML docs using our own SGML tools. Submitted by: J"org