[krbdev.mit.edu #7864] git commit

[Tom Yu via RT]

Update doc build instructions

Documentation build instructions in doc/README were out of date.
Update them.

(cherry picked from commit bfc8f194ae431fc4fadaa431a2a636b4e9b025dd)

https://github.com/krb5/krb5/commit/c1377c312c090d554ccb9d273f235b5f9cfbe606
Author: Tom Yu <tlyu at mit.edu>
Commit: c1377c312c090d554ccb9d273f235b5f9cfbe606
Branch: krb5-1.12
 doc/README         |   25 ++++---------------------
 doc/build_this.rst |    4 +++-
 2 files changed, 7 insertions(+), 22 deletions(-)