check properly for mmap failures

1 files changed, 1 insertions, 1 deletions

diff --git a/src/util/test_strings.c b/src/util/test_strings.c
index be166e629..107bb746c 100644
--- a/src/util/test_strings.c
+++ b/src/util/test_strings.c
@@ -90,11 +90,11 @@ check ()
       GNUNET_free (r);
       return 1;
     }
+  GNUNET_free (r);
   b = GNUNET_STRINGS_to_utf8 ("TEST", 4, "ASCII");
   WANT ("TEST", b);
   b = GNUNET_STRINGS_to_utf8 ("TEST", 4, "unknown");
   WANT ("TEST", b);
-  GNUNET_free (r);
   return 0;
 }