Log Message:
-----------
Update comment on int64 printf speciifications for MinGW:
# MinGW uses '%I64d', though gcc throws an warning with -Wall,
# while '%lld' doesn't generate a warning, but doesn't work.
Modified Files:
--------------
pgsql-server/config:
c-library.m4 (r1.27 -> r1.28)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/config/c-library.m4.diff?r1=1.27&r2=1.28)