pginstaller - pginst: Add PgOleDb, & MS VC++ compatible libs.

Log Message:
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Add PgOleDb, & MS VC++ compatible libs. Bump version to -dev4.

Modified Files:
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pginst:
Makefile (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.diff?r1=1.17&r2=1.18)
Makefile.config (r1.13 -> r1.14)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.config.diff?r1=1.13&r2=1.14)
pginst/wxs:
pginst.wxs (r1.55 -> r1.56)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.55&r2=1.56)