Log Message:
-----------
Replace calls to external dir program with perlish globs and File::Find
calls. Fixes complaint fron Hannes Eder, whose environment found a different
dir program.
Modified Files:
--------------
pgsql/src/tools/msvc:
Install.pm (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/Install.pm?r1=1.19&r2=1.20)