fix: wrong names

src/proxy/tinymitm/raai-helper.cpp

@@ -11,7 +11,7 @@ void WolfSSLDeleter::operator()(WC_RNG* rng)
     if (rng)
     {
         wc_FreeRng(rng);
-        delete r;
+        delete rng;
     }
 }
 void WolfSSLDeleter::operator()(RsaKey* key)
@@ -19,7 +19,7 @@ void WolfSSLDeleter::operator()(RsaKey* key)
     if (key)
     {
         wc_FreeRsaKey(key);
-        delete k;
+        delete key;
     }
 }
 void WolfSSLDeleter::operator()(WOLFSSL_CTX* ctx)