pgsql: Removed test case using nan as float value because printf's

Log Message:
-----------
Removed test case using nan as float value because printf's output for nan is
OS specific with some distinguishing between signaling and quiet nans. It's not
really importnat for us here anyway.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/test/compat_informix:
        sqlda.pgc (r1.2 -> r1.3)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/compat_informix/sqlda.pgc?r1=1.2&r2=1.3)
    pgsql/src/interfaces/ecpg/test/expected:
        compat_informix-sqlda.c (r1.9 -> r1.10)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-sqlda.c?r1=1.9&r2=1.10)
        compat_informix-sqlda.stderr (r1.3 -> r1.4)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-sqlda.stderr?r1=1.3&r2=1.4)
        compat_informix-sqlda.stdout (r1.1 -> r1.2)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-sqlda.stdout?r1=1.1&r2=1.2)
        sql-sqlda.c (r1.9 -> r1.10)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-sqlda.c?r1=1.9&r2=1.10)
        sql-sqlda.stderr (r1.3 -> r1.4)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-sqlda.stderr?r1=1.3&r2=1.4)
        sql-sqlda.stdout (r1.1 -> r1.2)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-sqlda.stdout?r1=1.1&r2=1.2)
    pgsql/src/interfaces/ecpg/test/sql:
        sqlda.pgc (r1.2 -> r1.3)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/sql/sqlda.pgc?r1=1.2&r2=1.3)