GCOV: std::vector refactoring III

GCOV: std::vector refactoring III

2017-10-31  Martin Liska  <mliska@suse.cz>

	* gcov.c (struct name_map): do not use typedef.
	Define operator== and operator<.
	(name_search): Remove.
	(name_sort): Remove.
	(main): Do not allocate names.
	(process_file): Add vertical space.
	(generate_results): Use std::find.
	(release_structures): Do not release memory.
	(find_source): Use std::find.

From-SVN: r254262