* tracer.c: Remove duplication declaration.

	* toplev.c: Remove extra declaration of decode_d_option.

	* ssa.c: Remove duplicate declaration.

	* sreal.c: Remove extra declaration of dump_sreal.

	* reload1.c: Remove duplicate declarations.

	* integrate.c: Remove extra declaration of
	set_decl_abstract_flags.

	* flow.c: Remove extra declaration of dump_flow_info.

	* alias.c: Remove extra declaration of get_addr.

From-SVN: r68006