Startup: fix resetting card database to default

The check was inverted. LoadStatus::Ok = 0, so only when
db->loadCardDatabase() returns 0 we know the card database path is
correct

cockatrice/src/carddatabase.cpp

@@ -926,7 +926,7 @@ LoadStatus CardDatabase::loadCardDatabase(const QString &path, bool tokens)
 
     if (!tokens) {
         loadStatus = tempLoadStatus;
-        qDebug() << "loadCardDatabase(): Status = " << loadStatus;
+        qDebug() << "loadCardDatabase(): Path = " << path << " Status = " << loadStatus;
     }
 
 

cockatrice/src/main.cpp

@@ -146,7 +146,7 @@ int main(int argc, char *argv[])
     const QString dataDir = QStandardPaths::standardLocations(QStandardPaths::DataLocation).first();
 #endif
     if (!db->getLoadSuccess())
-        if (db->loadCardDatabase(dataDir + "/cards.xml"))
+        if (!db->loadCardDatabase(dataDir + "/cards.xml"))
             settingsCache->setCardDatabasePath(dataDir + "/cards.xml");
     if (settingsCache->getTokenDatabasePath().isEmpty())
         settingsCache->setTokenDatabasePath(dataDir + "/tokens.xml");