Fixed non-PNG decoding in thumbnail save
Fixed non-PNG decoding in thumbnail save

MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,matt9mg/concrete5,TimDix/concrete5,MichaelMaar/concrete5,TimDix/concrete5,avdevs/concrete5,matt9mg/concrete5,avdevs/concrete5