pgsql: Use our own getopt() and getopt_long() on Solaris, because that

Log Message:
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Use our own getopt() and getopt_long() on Solaris, because that platform's
versions don't handle long options the way we want.  Per Zdenek Kotala.

Tags:
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REL8_1_STABLE

Modified Files:
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    pgsql:
        configure.in (r1.431.2.22 -> r1.431.2.23)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in?r1=1.431.2.22&r2=1.431.2.23)
        configure (r1.461.2.21 -> r1.461.2.22)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure?r1=1.461.2.21&r2=1.461.2.22)