rrepair, merkle: fix leaf_count calculation for inner nodes
rrepair, merkle: fix leaf_count calculation for inner nodes

(was using the old unhashed list of child nodes)
tectronics/scalaris,tectronics/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,digshock/scalaris,tectronics/scalaris,seyyed/scalaris,tectronics/scalaris,tectronics/scalaris,digshock/scalaris,digshock/scalaris,tectronics/scalaris,tectronics/scalaris,digshock/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris