plpsm - plpgpsm: for statement support (compileable)

Log Message:
-----------
for statement support (compileable)

Modified Files:
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plpgpsm/src:
gram.y (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/gram.y.diff?r1=1.14&r2=1.15)
plpgpsm.h (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/plpgpsm.h.diff?r1=1.12&r2=1.13)