More include file adjustments.

src/include/access/relscan.h

src/include/commands/vacuum.h

src/include/executor/hashjoin.h

src/include/tcop/tcopprot.h

src/include/utils/catcache.h

src/include/utils/guc.h

src/include/utils/portal.h

src/include/utils/resowner.h

src/include/utils/syscache.h