* value.c (value_fn_field): Constify.

	* value.c (value_fn_field): Constify.
	* symtab.c (gdb_mangle_name): Constify.
	* stabsread.c (update_method_name_from_physname): Make 'physname'
	argument const.
	* p-typeprint.c (pascal_type_print_method_args): Make arguments
	const.  Use explicit fputc_filtered loop.
	(pascal_type_print_base): Constify.
	* p-lang.h (pascal_type_print_method_args): Update.
	* linespec.c (add_matching_methods): Constify.
	(add_constructors): Likewise.
	* jv-typeprint.c (java_type_print_base): Constify.
	* gdbtypes.h (struct cplus_struct_type)
	<fn_fieldlist.fn_field.physname>: Now const.
	* dwarf2read.c (compute_delayed_physnames): Constify.
	(dwarf2_add_member_fn): Likewise.
	* c-typeprint.c (c_type_print_base): Constify.  Use cleanups.