Corrected formatting and cleanup

src/core/Database.cpp

@@ -476,7 +476,7 @@ bool Database::challengeMasterSeed(const QByteArray& masterSeed)
         m_data.masterSeed = masterSeed;
         return m_data.key->challenge(masterSeed, m_data.challengeResponseKey);
     }
-    return true;
+    return false;
 }
 
 void Database::setCipher(const QUuid& cipher)