call winscard_init() to load the library only in the %init section instead of in each wrapped function.
call winscard_init() to load the library only in the %init section
instead of in each wrapped function.

The side effect is that the library is loaded at the import time and not
when the first PC/SC function is called. We then avoid loading the
library in a Python thread (crashes on Mac OS X).

LudovicRousseau/pyscard,LudovicRousseau/pyscard,moreati/pyscard,LudovicRousseau/pyscard,moreati/pyscard,moreati/pyscard