Change atttypmod from int16 to int32, for Thomas.

src/backend/access/common/tupdesc.c

src/backend/catalog/index.c

src/backend/commands/copy.c

src/backend/nodes/makefuncs.c

src/backend/optimizer/prep/preptlist.c

src/backend/parser/parse_expr.c

src/backend/parser/parse_func.c

src/backend/parser/parse_node.c

src/backend/parser/parse_target.c

src/backend/parser/parse_type.c

src/backend/utils/adt/arrayfuncs.c

src/backend/utils/adt/varchar.c

src/backend/utils/cache/lsyscache.c

src/include/access/tupdesc.h

src/include/catalog/pg_attribute.h

src/include/nodes/makefuncs.h

src/include/nodes/parsenodes.h

src/include/nodes/primnodes.h

src/include/parser/parse_expr.h

src/include/parser/parse_type.h