Add CPU algo used to summary

main.c

@@ -4136,6 +4136,7 @@ static void print_summary(void)
 
 	printf("\nSummary of runtime statistics:\n\n");
 	printf("Started at %s\n", datestamp);
+	printf("CPU hasher algorithm used: %s\n", algo_names[opt_algo]);
 	printf("Runtime: %d hrs : %d mins : %d secs\n", hours, mins, secs);
 	if (total_secs)
 		printf("Average hashrate: %.1f Megahash/s\n", total_mhashes_done / total_secs);