* som.h (struct somdata): New field sorted_syms.

	* som.h (struct somdata): New field sorted_syms.
	(obj_som_sorted_syms): Accessor macro.
	* som.c (som_object_setup): Initialize sorted_syms to NULL.
	(som_prep_for_fixups): Sort a copy of the BFD's symbol table;
	store the sorted symbol table in sorted_syms.
	(som_write_fixups): Initalize tmp_reloc to NULL to make GCC happy.
	(som_begin_writing): Similarly for exec_header.  Pass the sorted
	symbol table to som_write_symbol_strings.
	(som_build_and_write_symbol_table): Use the sorted symbols rather
	than the canonical symbol table.