pgsql: First try to make this one ecpg regression test work on Windows

Log Message:
-----------
First try to make this one ecpg regression test work on Windows too. I'm just trying to figure out the minimal amount
ofdefines needed. 

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/test/expected:
        pgtypeslib-nan_test.c (r1.3 -> r1.4)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.c?r1=1.3&r2=1.4)
        pgtypeslib-nan_test.stderr (r1.4 -> r1.5)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-nan_test.stderr?r1=1.4&r2=1.5)
    pgsql/src/interfaces/ecpg/test/pgtypeslib:
        nan_test.pgc (r1.3 -> r1.4)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/nan_test.pgc?r1=1.3&r2=1.4)