vcproject - vcproject: Fix definition of slock_t.

Log Message:
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Fix definition of slock_t. Use LONG in VC++.

Modified Files:
--------------
vcproject/postgresql/src/backend/main:
main.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/vcproject/vcproject/postgresql/src/backend/main/main.c.diff?r1=1.2&r2=1.3)
vcproject/postgresql/src/include/storage:
s_lock.h (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/vcproject/vcproject/postgresql/src/include/storage/s_lock.h.diff?r1=1.2&r2=1.3)