take elgamal percomputation from config

libi2pd/api.cpp

@@ -28,11 +28,8 @@ namespace api
 		i2p::fs::DetectDataDir(datadir, false);
 		i2p::fs::Init();
 
-#if defined(__x86_64__)
+		bool precomputation; i2p::config::GetOption("precomputation.elgamal", precomputation);
-		i2p::crypto::InitCrypto (false);
+		i2p::crypto::InitCrypto (precomputation);
-#else
-		i2p::crypto::InitCrypto (true);
-#endif
 
         int netID; i2p::config::GetOption("netid", netID);
         i2p::context.SetNetID (netID);