* dwarf2read.c (struct partial_die_info): Add full_name.

	* dwarf2read.c (struct partial_die_info): Add full_name.
	(scan_partial_symbols, add_partial_symbol, add_partial_structure)
	(add_partial_enumeration): Change namespace argument to
	have_namespace_info flag.  Move DW_TAG_namespace handling to
	add_partial_symbol.  Update comments.
	(pdi_needs_namespace): Remove namespace argument.  Handle
	DW_TAG_namespace.
	(partial_determine_prefix, partial_determine_prefix_aux): Remove.
	(dwarf2_build_psymtabs_hard): Update call to scan_partial_symbols.
	(partial_die_full_name): New function.
	(load_partial_die): Correct comment formatting.  Don't handle
	DW_TAG_enumeration_type.
	(load_partial_dies): Correct comment formatting.