Fixes cache corruption when using While
Fixes cache corruption when using While

VisTrails/VisTrails,celiafish/VisTrails,hjanime/VisTrails,celiafish/VisTrails,minesense/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,minesense/VisTrails,VisTrails/VisTrails,celiafish/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,minesense/VisTrails,celiafish/VisTrails,Nikea/VisTrails,hjanime/VisTrails,Nikea/VisTrails,minesense/VisTrails,VisTrails/VisTrails,Nikea/VisTrails,hjanime/VisTrails,minesense/VisTrails