Fixed bug in the dot_draw plugin that was kicking out clients when topology did not change between two consecutive printouts.
Fixed bug in the dot_draw plugin that was kicking out clients when
topology did not change between two consecutive printouts.

sauloqueiroz/incremental-spf,sauloqueiroz/incremental-spf,sauloqueiroz/incremental-spf,sauloqueiroz/incremental-spf