Test fix for crash

source/libublsettings-config.c

@@ -2064,7 +2064,7 @@ int yon_config_custom_swap(yon_config_custom **target){
 
 int yon_config_custom_apply(yon_config_custom **target){
     yon_config_clean();
-    if (target){
+    if (*target){
         __yon__config__strings = ((yon_config_parameter *)*target)->first;
     }
     *target=NULL;