Fixed assignment memory issue.

tests/ConstStringTests.cpp

@@ -63,5 +63,15 @@ TEST_CASE("Out of scope char* doesn't lose reference", "[Utilities]") {
     REQUIRE(strcmp(val.c_str(), "foobar") == 0);
 }
 
+TEST_CASE("Literal conststring to non literal, then use", "[Utilities]") {
+    Arbutils::CaseInsensitiveConstString val;
+    {
+        val = "foobar"_cnc;
+    }
+    INFO(val.c_str());
+    REQUIRE(strcmp(val.c_str(), "foobar") == 0);
+}
+
+
 
 #endif