libpqtypes - libpqtypes: Made PQtypesRegister a function to hide

Log Message:
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Made PQtypesRegister a function to hide PGEventProc address, windows func addresses differ from an application and its loaded DLLs. Removed PQtypesEventProc API function, no longer needed.

Modified Files:
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libpqtypes/src:
events.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/events.c.diff?r1=1.4&r2=1.5)
exec.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/exec.c.diff?r1=1.6&r2=1.7)
handler.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/handler.c.diff?r1=1.9&r2=1.10)
libpqtypes-int.h (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/libpqtypes-int.h.diff?r1=1.5&r2=1.6)
libpqtypes.h (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/libpqtypes.h.diff?r1=1.10&r2=1.11)
param.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/param.c.diff?r1=1.6&r2=1.7)
regression-test.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/regression-test.c.diff?r1=1.4&r2=1.5)