Another pgindent run with updated typedefs.

contrib/tsearch2/snowball/api.h

contrib/tsearch2/snowball/english_stem.c

contrib/tsearch2/snowball/russian_stem.c

contrib/tsearch2/snowball/utilities.c

contrib/tsearch2/ts_stat.c

contrib/vacuumlo/vacuumlo.c

src/backend/access/index/indexam.c

src/backend/access/nbtree/nbtpage.c

src/backend/access/nbtree/nbtsearch.c

src/backend/access/nbtree/nbtxlog.c

src/backend/access/transam/slru.c

src/backend/access/transam/xact.c

src/backend/commands/cluster.c

src/backend/commands/copy.c

src/backend/commands/explain.c

src/backend/commands/portalcmds.c

src/backend/commands/prepare.c

src/backend/commands/sequence.c

src/backend/commands/tablecmds.c

src/backend/commands/trigger.c