orafce - orafce: Fix bus error in DBMS_PIPE.

Log Message:
-----------
Fix bus error in DBMS_PIPE.
There were unaligned structure data and 32/64bit CPU issues.

Modified Files:
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orafce:
orafunc.h (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/orafunc.h.diff?r1=1.12&r2=1.13)
pipe.c (r1.18 -> r1.19)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/pipe.c.diff?r1=1.18&r2=1.19)
plvstr.c (r1.13 -> r1.14)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvstr.c.diff?r1=1.13&r2=1.14)
shmmc.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/shmmc.c.diff?r1=1.9&r2=1.10)