Fix help location of --use-subdir-exe
Fix help location of --use-subdir-exe

refs #11890

SudiptaBiswas/moose,sapitts/moose,nuclear-wizard/moose,nuclear-wizard/moose,idaholab/moose,SudiptaBiswas/moose,sapitts/moose,dschwen/moose,dschwen/moose,sapitts/moose,andrsd/moose,jessecarterMOOSE/moose,jessecarterMOOSE/moose,andrsd/moose,bwspenc/moose,idaholab/moose,harterj/moose,harterj/moose,laagesen/moose,sapitts/moose,lindsayad/moose,harterj/moose,laagesen/moose,permcody/moose,laagesen/moose,YaqiWang/moose,YaqiWang/moose,andrsd/moose,idaholab/moose,bwspenc/moose,lindsayad/moose,idaholab/moose,bwspenc/moose,milljm/moose,permcody/moose,permcody/moose,jessecarterMOOSE/moose,SudiptaBiswas/moose,sapitts/moose,jessecarterMOOSE/moose,andrsd/moose,milljm/moose,jessecarterMOOSE/moose,lindsayad/moose,milljm/moose,laagesen/moose,bwspenc/moose,SudiptaBiswas/moose,nuclear-wizard/moose,milljm/moose,lindsayad/moose,laagesen/moose,dschwen/moose,andrsd/moose,dschwen/moose,harterj/moose,YaqiWang/moose,bwspenc/moose,nuclear-wizard/moose,milljm/moose,lindsayad/moose,SudiptaBiswas/moose,harterj/moose,permcody/moose,idaholab/moose,dschwen/moose,YaqiWang/moose