Code cleanup: Change OPF_DISABLE_REALPATH to OPF_RETURN_REALPATH.

Code cleanup: Change OPF_DISABLE_REALPATH to OPF_RETURN_REALPATH.

gdb/
2013-09-04  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Code cleanup: Change OPF_DISABLE_REALPATH to OPF_RETURN_REALPATH.
	* cli/cli-cmds.c (find_and_open_script): Add OPF_RETURN_REALPATH to
	variable search_flags.
	* defs.h (OPF_DISABLE_REALPATH): Rename to ...
	(OPF_RETURN_REALPATH): ... here.
	* dwarf2read.c (try_open_dwop_file): Set OPF_RETURN_REALPATH for flags.
	* exec.c (exec_file_attach): Remove OPF_DISABLE_REALPATH from openp
	call.  Twice.
	* nto-tdep.c (nto_find_and_open_solib): Add OPF_RETURN_REALPATH for
	openp call.
	* solib.c (solib_find): Likewise.  Four times.
	* source.c (openp): Change OPF_DISABLE_REALPATH to OPF_RETURN_REALPATH
	in the function comment and for the realpath_fptr variable.
	(source_full_path_of): Add OPF_RETURN_REALPATH for openp call.
	(find_and_open_source): Likewise.  Twice.
	* symfile.c (symfile_bfd_open): Likewise, also twice.