Log Message:
-----------
Detect a 64-bit build environment on Windows, and generate the appropriate
project files.
Based on the work of Tsutomu Yamada, but much refactored.
Modified Files:
--------------
pgsql/src/tools/msvc:
Project.pm (r1.22 -> r1.23)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/Project.pm?r1=1.22&r2=1.23)
Solution.pm (r1.50 -> r1.51)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/Solution.pm?r1=1.50&r2=1.51)
gendef.pl (r1.8 -> r1.9)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/gendef.pl?r1=1.8&r2=1.9)