tests/test-gendoc.out

hghave: be more tolerant to rst2html output

On Windows, rst2html.bat calls rst2html.py, printing something like:

"rst2html.py (Docutils"

(notice the extra ".py")

% extracting documentation from C
checking for parse errors with rst2html

% extracting documentation from da
checking for parse errors with rst2html

% extracting documentation from de
checking for parse errors with rst2html

% extracting documentation from el
checking for parse errors with rst2html

% extracting documentation from fr
checking for parse errors with rst2html

% extracting documentation from it
checking for parse errors with rst2html

% extracting documentation from ja
checking for parse errors with rst2html

% extracting documentation from pt_BR
checking for parse errors with rst2html

% extracting documentation from sv
checking for parse errors with rst2html

% extracting documentation from zh_CN
checking for parse errors with rst2html

% extracting documentation from zh_TW
checking for parse errors with rst2html