Checks if CUSTOM folder was successfully created. If not, prints qDebug...

Checks if CUSTOM folder was successfully created. If not, prints qDebug message and proceeds as normal except uses default card images instead of custom ones.

cockatrice/src/main.cpp

@@ -158,7 +158,9 @@ int main(int argc, char *argv[])
         QDir().mkpath(dataDir + "/pics");
         settingsCache->setPicsPath(dataDir + "/pics");
     }
-
+    if (!QDir().mkpath(settingsCache->getPicsPath() + "/CUSTOM"))
+        qDebug("Could not create " settingsCache->getPicsPath() + "/CUSTOM. Will fall back on default card images.");
+        
 #ifdef Q_OS_MAC
     if(settingsCache->getHandBgPath().isEmpty() &&
         settingsCache->getStackBgPath().isEmpty() &&