pgindent run for 8.2.

contrib/adminpack/adminpack.c

contrib/cube/cube.c

contrib/dblink/dblink.c

contrib/hstore/hstore.h

contrib/hstore/hstore_gist.c

contrib/hstore/hstore_io.c

contrib/hstore/hstore_op.c

contrib/intarray/_int.h

contrib/intarray/_int_bool.c

contrib/intarray/_int_gin.c

contrib/intarray/_int_gist.c

contrib/intarray/_int_tool.c

contrib/intarray/_intbig_gist.c

contrib/isn/EAN13.h

contrib/isn/ISBN.h

contrib/isn/ISMN.h

contrib/isn/ISSN.h

contrib/isn/UPC.h

contrib/isn/isn.c

contrib/ltree/_ltree_gist.c