Fix writing the ini file to unsure undefined values are replaced.
Fix writing the ini file to unsure undefined values are replaced.

Yetangitu/frontend,yetixxx83/frontend,meatcar/frontend,mrzen/trovebox,EMarcais/frontend,EMarcais/frontend,ashwingj/frontend,photo/frontend,EMarcais/frontend,Yetangitu/frontend,Yetangitu/frontend,mrzen/trovebox,yetixxx83/frontend,ashwingj/frontend,photo/frontend,meatcar/frontend,meatcar/frontend,photo/frontend,mrzen/trovebox,ashwingj/frontend,meatcar/frontend,yetixxx83/frontend,photo/frontend,Yetangitu/frontend,ashwingj/frontend,mrzen/trovebox,EMarcais/frontend,yetixxx83/frontend