plpsm - plpgpsm: simple case statement completed

Log Message:
-----------
simple case statement completed

Modified Files:
--------------
plpgpsm/src:
gram.y (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/gram.y.diff?r1=1.6&r2=1.7)
pl_exec.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/pl_exec.c.diff?r1=1.6&r2=1.7)
plpgpsm.h (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/plpgpsm.h.diff?r1=1.6&r2=1.7)