GUACAMOLE-2259: Set initial height/width on last_frame to 0#657

mike-jumper merged 1 commit intoapache:staging/1.6.1apache/guacamole-server:staging/1.6.1from

sschiffli:GUACAMOLE-2259-64x64-layer-fixsschiffli/guacamole-server:GUACAMOLE-2259-64x64-layer-fixCopy head branch name to clipboard