Log Message:
-----------
Fix test that wrongly excluded some dumpbin symbols.
Keep the intermediate symbol file rather then blowing it away, for easier debugging.
Modified Files:
--------------
pgsql/src/tools/msvc:
gendef.pl (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/gendef.pl?r1=1.6&r2=1.7)