Comment 13 for bug 1244094

Clarification for the different error message (missing libxml2.h rather than missing stdint.h):
- on winbot the 'wineggbuilder' job does the fancy static linking stuff that involves editing lxml's setup.py as described in http://lxml.de/build.html#static-linking-on-windows, then uploads the binary eggs (and wininsts) to PyPI
- the other winbot jobs expect to find binary lxml eggs on PyPI, fail, then try the standard distutils build which is not expected to succeed.