Fix fprintf format warning/error, #643415
Steve McIntyre <steve.mcintyre@linaro.org>
--- a/lib/iotool.c
+++ b/lib/iotool.c
@@ -463,7 +463,7 @@ void print_current_time(FILE *fp)
      struct tm	*tp;
 
      time(&t); tp = localtime(&t);
-     fprintf(fp, asctime(tp));
+     fprintf(fp, "%s", asctime(tp));
 }
 
 /*