rsaenh/tests: Fix a copy & paste issue

[Bruno Jesus]

The broken is already caught in the else, this was a mistake I forgot
to fix in the original patch.
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diff --git a/dlls/rsaenh/tests/rsaenh.c b/dlls/rsaenh/tests/rsaenh.c
index 072f08a..da74ffb 100644
--- a/dlls/rsaenh/tests/rsaenh.c
+++ b/dlls/rsaenh/tests/rsaenh.c
@@ -1728,7 +1728,7 @@ static void test_rc4(void)
         dwLen = 0;
         result = CryptGetKeyParam(hKey, KP_SALT, NULL, &dwLen, 0);
         ok(result, "%08x\n", GetLastError());
-        if (BASE_PROV || STRONG_PROV || nt4)
+        if (BASE_PROV || STRONG_PROV)
             ok(dwLen == 11, "expected salt length 11, got %d\n", dwLen);
         else
             ok(dwLen == 0 || broken(nt4 && dwLen == 11), "expected salt length 0, got %d\n", dwLen);