[#3991] Fixed CWE 398 constVariableReference

diff --git a/src/lib/cryptolink/tests/crypto_unittests.cc b/src/lib/cryptolink/tests/crypto_unittests.cc
index dc575044d7942e377965c07adce853e54e91bebb..69e7b05e9ffbaea0ae1c1d8c3bebf2ce23b93661 100644 (file)
--- a/src/lib/cryptolink/tests/crypto_unittests.cc
+++ b/src/lib/cryptolink/tests/crypto_unittests.cc
@@ -30,7 +30,7 @@ TEST(CryptoLinkTest, Singleton) {
 
 // Tests whether getRNG() returns a global value
 TEST(CryptoLinkTest, GlobalRNG) {
-    CryptoLink& c = CryptoLink::getCryptoLink();
+    const CryptoLink& c = CryptoLink::getCryptoLink();
     RNGPtr rng1 = c.getRNG();
     RNGPtr rng2 = c.getRNG();
     ASSERT_EQ(rng1, rng2);