use QSORT, part 2

Convert two more qsort(3) calls to QSORT to reduce code size and for
better safety and consistency.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/index-pack.c

@@ -1531,8 +1531,7 @@ static void read_v2_anomalous_offsets(struct packed_git *p,
 		opts->anomaly[opts->anomaly_nr++] = ntohl(idx2[off * 2 + 1]);
 	}
 
-	if (1 < opts->anomaly_nr)
-		qsort(opts->anomaly, opts->anomaly_nr, sizeof(uint32_t), cmp_uint32);
+	QSORT(opts->anomaly, opts->anomaly_nr, cmp_uint32);
 }
 
 static void read_idx_option(struct pack_idx_option *opts, const char *pack_name)

builtin/shortlog.c

@@ -308,7 +308,7 @@ void shortlog_output(struct shortlog *log)
 	struct strbuf sb = STRBUF_INIT;
 
 	if (log->sort_by_number)
-		qsort(log->list.items, log->list.nr, sizeof(struct string_list_item),
+		QSORT(log->list.items, log->list.nr,
 		      log->summary ? compare_by_counter : compare_by_list);
 	for (i = 0; i < log->list.nr; i++) {
 		const struct string_list_item *item = &log->list.items[i];