pgsql: Fix contrib/pgcrypto to autoconfigure for OpenSSL when

Log Message:
-----------
Fix contrib/pgcrypto to autoconfigure for OpenSSL when --with-openssl
is used in the toplevel configure.  Per Marko Kreen.

Modified Files:
--------------
    pgsql:
        configure (r1.442 -> r1.443)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.442&r2=1.443)
        configure.in (r1.415 -> r1.416)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.415&r2=1.416)
    pgsql/contrib/pgcrypto:
        Makefile (r1.14 -> r1.15)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/Makefile.diff?r1=1.14&r2=1.15)
    pgsql/src:
        Makefile.global.in (r1.215 -> r1.216)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/Makefile.global.in.diff?r1=1.215&r2=1.216)