Don't descend tables in findReplicant()
Don't descend tables in findReplicant()

findReplicant() is a workaround for Gecko's killing the focused accessible
object in response to less-than-ideal authoring practices. If the root is
a table with a broken hierarchy, pyatspi's findDescendant() can hang. :(

pvagner/orca,pvagner/orca,pvagner/orca,chrys87/orca-beep,GNOME/orca,GNOME/orca,pvagner/orca,chrys87/orca-beep,GNOME/orca,chrys87/orca-beep,chrys87/orca-beep,GNOME/orca