Log Message:
-----------
Volatile-qualify a dozen variables in plpython.c to eliminate warnings
from old versions of gcc. It's not clear to me that this is really
necessary for correctness, but less warnings are always good.
Per buildfarm results and local testing.
Modified Files:
--------------
pgsql/src/pl/plpython:
plpython.c (r1.101 -> r1.102)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/plpython.c.diff?r1=1.101&r2=1.102)