builtin/add.c: use path_excluded()

This only happens in --ignore-missing --dry-run codepath which
presumably nobody should care, but is for completeness.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/add.c

@@ -441,21 +441,25 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 
 	if (pathspec) {
 		int i;
+		struct path_exclude_check check;
+
+		path_exclude_check_init(&check, &dir);
 		if (!seen)
 			seen = find_used_pathspec(pathspec);
 		for (i = 0; pathspec[i]; i++) {
 			if (!seen[i] && pathspec[i][0]
 			    && !file_exists(pathspec[i])) {
 				if (ignore_missing) {
 					int dtype = DT_UNKNOWN;
-					if (excluded(&dir, pathspec[i], &dtype))
+					if (path_excluded(&check, pathspec[i], -1, &dtype))
 						dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i]));
 				} else
 					die(_("pathspec '%s' did not match any files"),
 					    pathspec[i]);
 			}
 		}
 		free(seen);
+		path_exclude_check_clear(&check);
 	}
 
 	exit_status |= add_files_to_cache(prefix, pathspec, flags);