dblink-ldap - dblink-ldap: Make dblink-ldap build and run on win32,

Log Message:
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Make dblink-ldap build and run on win32, using the building LDAP access library.

Most code goes into the UTF8-is-missing functionality. For UTF8, use the UTF16 version of the LDAP library, and then convert back to UTF8.

Modified Files:
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dblink-ldap:
Makefile (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dblink-ldap/dblink-ldap/Makefile.diff?r1=1.1&r2=1.2)
dblink-ldap.c (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dblink-ldap/dblink-ldap/dblink-ldap.c.diff?r1=1.1&r2=1.2)
dblink-ldap.sql.in (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dblink-ldap/dblink-ldap/dblink-ldap.sql.in.diff?r1=1.1&r2=1.2)