IdTable, SongFilter: use std::fill_n() instead of std::fill()

src/IdTable.hxx

@@ -38,7 +38,7 @@ class IdTable {
 
 public:
 	IdTable(unsigned _size):size(_size), next(1), data(new int[size]) {
-		std::fill(data, data + size, -1);
+		std::fill_n(data, size, -1);
 	}
 
 	~IdTable() {

src/SongFilter.cxx

@@ -85,7 +85,7 @@ bool
 SongFilter::Item::Match(const Tag &_tag) const
 {
 	bool visited_types[TAG_NUM_OF_ITEM_TYPES];
-	std::fill(visited_types, visited_types + TAG_NUM_OF_ITEM_TYPES, false);
+	std::fill_n(visited_types, TAG_NUM_OF_ITEM_TYPES, false);
 
 	for (unsigned i = 0; i < _tag.num_items; i++) {
 		visited_types[_tag.items[i]->type] = true;