Log Message:
-----------
Fix buggy usage of vsnprintf in PL/Python by removing it altogether, instead
relying on stringinfo.c. This fixes a problem reported by Marko Kreen, but I
didn't use his patch, per subsequent discussion.
Modified Files:
--------------
pgsql/src/pl/plpython:
plpython.c (r1.104 -> r1.105)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/plpython.c?r1=1.104&r2=1.105)