Change the patch script so that it actually operates the way the documentation claims.
Change the patch script so that it actually operates the way
the documentation claims.

M    /usr/home/barryp/expy/patch_exim_makefile.py

SpamExperts/py-exim-localscan,barryp/py-exim-localscan,barryp/py-exim-localscan,barryp/py-exim-localscan,SpamExperts/py-exim-localscan