[Patch, libfortran] Get rid of "enum try"

[Janne Blomqvist <blomqvist dot janne at gmail dot com>]

Hi,

the attached patch gets rid of the "enum try" in the Fortran runtime
library, replacing its usage with the standard C99 _Bool/bool.

Regtested on x86_64-unknown-linux-gnu, Ok for trunk?

2013-01-18  Janne Blomqvist  <jb@gcc.gnu.org>

	* libgfortran.h: Include stdbool.h.
	(enum try): Remove.
	(notify_std): Change return type to bool.
	* intrinsics/chmod.c: Don't include stdbool.h.
	* intrinsics/execute_command_line.c: Likewise.
	* io/format.c: Likewise.
	* io/list_read.c (nml_parse_qualifier): Change return type to bool.
	(nml_read_obj): Likewise.
	(nml_get_obj_data): Likewise.
	* io/transfer.c (read_block_form): Fix comment.
	(write_buf): Change return type to bool.
	* io/write.c: Don't include stdbool.h.
	* io/write_float.def (output_float): Change return type to bool.
	(output_float_FMT_G_ ## x): Change type of result variable.
	* runtime/error.c (notify_std): Change return type to bool.


-- 
Janne Blomqvist

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