Fix panic logic

romulus_m.go

@@ -44,9 +44,10 @@ func Decrypt(key []byte, ciphertext []byte, additionalData []byte) (plaintext []
 	}
 
 	defer func() {
-		recover()
-		err = errors.New("Recoverd from panic in decrypt")
+		if r := recover(); r != nil {
+			err = errors.New("Recovered from panic in decrypt")
 			auth = false
+		}
 	}()
 
 	plaintext = make([]byte, len(ciphertext))