pgindent run for 9.5

contrib/btree_gin/btree_gin.c

contrib/btree_gist/btree_utils_num.c

contrib/btree_gist/btree_utils_var.c

contrib/fuzzystrmatch/dmetaphone.c

contrib/hstore/hstore_gist.c

contrib/hstore_plperl/hstore_plperl.c

contrib/hstore_plpython/hstore_plpython.c

contrib/ltree/crc32.c

contrib/ltree_plpython/ltree_plpython.c

contrib/pageinspect/brinfuncs.c

contrib/pageinspect/ginfuncs.c

contrib/pg_audit/pg_audit.c

contrib/pg_buffercache/pg_buffercache_pages.c

contrib/pg_stat_statements/pg_stat_statements.c

contrib/pgcrypto/pgp-armor.c

contrib/pgcrypto/pgp-pgsql.c

contrib/pgcrypto/pgp.h

contrib/pgstattuple/pgstatapprox.c

contrib/postgres_fdw/postgres_fdw.c

contrib/test_decoding/test_decoding.c