Replace PTR with 'void *' in compiler.

Replace PTR with 'void *' in compiler.

gcc/ada/ChangeLog:

	* gcc-interface/decl.cc (compare_field_bitpos): Use void *
	instead PTR.
	* gcc-interface/utils2.cc (compare_elmt_bitpos): Likewise.

gcc/ChangeLog:

	* basic-block.h (struct basic_block_d): Use void *
	instead PTR.
	* cfgloop.h: Likewise.
	* cgraph.h: Likewise.
	* gengtype-state.cc (state_ident_by_name): Likewise.
	(record_type): Likewise.
	(read_state_already_seen_type): Likewise.
	* gengtype.cc (dump_type): Likewise.
	(input_file_by_name): Likewise.
	(main): Likewise.
	* ggc-common.cc (ggc_cleared_alloc_ptr_array_two_args): Likewise.
	* ipa-utils.h (struct ipa_dfs_info): Likewise.
	* plugin.cc (htab_hash_plugin): Likewise.