crypt32/tests: Fix compilation on systems that don't support nameless unions.

[Francois Gouget]

---
 dlls/crypt32/tests/chain.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/crypt32/tests/chain.c b/dlls/crypt32/tests/chain.c
index 4192e11..a626b82 100644
--- a/dlls/crypt32/tests/chain.c
+++ b/dlls/crypt32/tests/chain.c
@@ -4018,7 +4018,7 @@ static void check_ssl_policy(void)
     /* And again authenticating a client, but specify the size of the policy
      * parameter.
      */
-    sslPolicyPara.cbSize = sizeof(sslPolicyCheck);
+    U(sslPolicyPara).cbSize = sizeof(sslPolicyCheck);
     sslPolicyPara.dwAuthType = AUTHTYPE_CLIENT;
     for (i = 0;
      i < sizeof(sslPolicyCheck) / sizeof(sslPolicyCheck[0]); i++)
-- 
1.6.5