Minor tweaks.
* except.c (expand_start_catch): Rename to start_catch_handler.
(expand_end_catch): Delete function.
(expand_end_all_catch): Remove catch status that expand_end_catch
use to do.
* except.h (expand_start_catch): Rename prototype.
(expand_end_catch): Delete prototype.
* semantics.c (finish_try_block): Rename expand_start_catch, and delete
expand_end_catch.
* parse.y (function_try_block): Rename expand_start_catch, and delete
expand_end_catch.
* except.c (expand_end_eh_spec): Rename expand_start_catch, and delete
expand_end_catch.
From-SVN: r20379