Log Message:
-----------
PGDLLIMPORT-ize the global variables referenced in pg_crc.h.
I think this will fix current mingw buildfarm failures for pg_trgm.
Modified Files:
--------------
pgsql/src/include/utils:
pg_crc.h (r1.18 -> r1.19)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/pg_crc.h?r1=1.18&r2=1.19)