[COMMITTERS] python - be: Do cleanup on only commit and abort.

[James William Pye]

Log Message:
-----------
Do cleanup on only commit and abort.

Modified Files:
--------------
    be/src:
        pl.c (r1.37 -> r1.38)
        
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/src/pl.c.diff?r1=1.37&r2=1.38)

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TIP 2: Don't 'kill -9' the postmaster