Fix page count when using an overriden per page value (fix #1289)
Fix page count when using an overriden per page value (fix #1289)

Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber