TEST_check macro: don't end with semi

Reviewed-by: Rich Salz <rsalz@openssl.org>

test/testutil.h

diff --git a/test/testutil.h b/test/testutil.h
index 14b7b09..68d202a 100644
--- a/test/testutil.h
+++ b/test/testutil.h
@@ -108,4 +108,4 @@
             ERR_print_errors_fp(stderr);        \
             OPENSSL_assert(!#condition);        \
         }                                       \
-    } while (0);
+    } while (0)