type cast output to prevent build warnings

diff --git a/test/string/string.c b/test/string/string.c
index ab041e6..e23ee62 100644 (file)
--- a/test/string/string.c
+++ b/test/string/string.c
@@ -1416,7 +1416,7 @@ main (void)
   else
     {
       status = EXIT_FAILURE;
-      printf("%d errors.\n", errors);
+      printf("%lu errors.\n", (unsigned long)errors);
     }
 
   return status;