--- a/ucx/test.c	Wed Nov 22 12:59:13 2017 +0100
+++ b/ucx/test.c	Sun Jan 21 12:13:09 2018 +0100
@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright 2015 Olaf Wintermann. All rights reserved.
+ * Copyright 2016 Olaf Wintermann. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -86,6 +86,6 @@
         elem->test(suite, output);
     }
     fwrite("\nAll test completed.\n", 1, 21, output);
-    fprintf(output, "  Total:   %d\n  Success: %d\n  Failure: %d\n",
+    fprintf(output, "  Total:   %u\n  Success: %u\n  Failure: %u\n",
             suite->success+suite->failure, suite->success, suite->failure);
 }