Fix crash on loading invalid cards.xml

Additionally, move the custom database load after the LoadStatus check,
so that they don't bring up the “fix your card database path” settings
dialog

cockatrice/src/main.cpp

@@ -147,6 +147,7 @@ int main(int argc, char *argv[])
     rng = new RNG_SFMT;
     settingsCache = new SettingsCache;
     themeManager = new ThemeManager;
+    soundEngine = new SoundEngine;
     db = new CardDatabase;
 
     qtTranslator = new QTranslator;
@@ -182,13 +183,6 @@ int main(int argc, char *argv[])
     }
     if (!QDir().mkpath(settingsCache->getPicsPath() + "/CUSTOM"))
         qDebug() << "Could not create " + settingsCache->getPicsPath().toUtf8() + "/CUSTOM. Will fall back on default card images.";
-    if (QDir().mkpath(dataDir + "/customsets"))
-    {
-        // if the dir exists (or has just been created)
-        db->loadCustomCardDatabases(dataDir + "/customsets");
-    } else {
-        qDebug() << "Could not create " + dataDir + "/customsets folder.";
-    }
 
     if (!settingsValid() || db->getLoadStatus() != Ok) {
         qDebug("main(): invalid settings or load status");
@@ -197,12 +191,18 @@ int main(int argc, char *argv[])
         app.exec();
     }
 
+    // load custom databased after LoadStatus check, so that they don't bring up the settings dialog
+    if (QDir().mkpath(dataDir + "/customsets"))
+    {
+        // if the dir exists (or has just been created)
+        db->loadCustomCardDatabases(dataDir + "/customsets");
+    } else {
+        qDebug() << "Could not create " + dataDir + "/customsets folder.";
+    }
+
     if (settingsValid()) {
         qDebug("main(): starting main program");
 
-        soundEngine = new SoundEngine;
-        qDebug("main(): SoundEngine constructor finished");
-
         MainWindow ui;
         qDebug("main(): MainWindow constructor finished");