fixed build error with openssl 1.1.1

libi2pd/Crypto.h

@@ -267,7 +267,7 @@ namespace crypto
 #else
 #   define LEGACY_OPENSSL 0
 #   if (OPENSSL_VERSION_NUMBER >= 0x010101000) // 1.1.1
-#	   define OPENSSL_EDDSA
+#	   define OPENSSL_EDDSA 1
 #   endif
 #endif
 

libi2pd/Signature.h

@@ -394,7 +394,9 @@ namespace crypto
 			~EDDSA25519Signer ();
 			
 			void Sign (const uint8_t * buf, int len, uint8_t * signature) const;
-			const uint8_t * GetPublicKey () const { return m_PublicKeyEncoded; };
+#if !OPENSSL_EDDSA
+			const uint8_t * GetPublicKey () const { return m_PublicKeyEncoded; }; // for keys creation
+#endif
 
 		private:
 #if OPENSSL_EDDSA