FEM, Tests: Fix line end problem in compare_inp_files
FEM, Tests: Fix line end problem in compare_inp_files

Add new function to force unix line ends and use it in compare_inp_files
and compare_stats.

Signed-off-by: Przemo Firszt <ebf2bb805329591a27e694024b5e4c3c5da00121@firszt.eu>

timthelion/FreeCAD,bblacey/FreeCAD-MacOS-CI,chrisjaquet/FreeCAD,usakhelo/FreeCAD,wood-galaxy/FreeCAD,wood-galaxy/FreeCAD,timthelion/FreeCAD,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,chrisjaquet/FreeCAD,Fat-Zer/FreeCAD_sf_master,bblacey/FreeCAD-MacOS-CI,chrisjaquet/FreeCAD,usakhelo/FreeCAD,bblacey/FreeCAD-MacOS-CI,kkoksvik/FreeCAD,kkoksvik/FreeCAD,maurerpe/FreeCAD,wood-galaxy/FreeCAD,maurerpe/FreeCAD,wood-galaxy/FreeCAD,timthelion/FreeCAD,chrisjaquet/FreeCAD,chrisjaquet/FreeCAD,chrisjaquet/FreeCAD,timthelion/FreeCAD,wood-galaxy/FreeCAD,timthelion/FreeCAD,bblacey/FreeCAD-MacOS-CI,maurerpe/FreeCAD,bblacey/FreeCAD-MacOS-CI,bblacey/FreeCAD-MacOS-CI,Fat-Zer/FreeCAD_sf_master,usakhelo/FreeCAD,kkoksvik/FreeCAD,usakhelo/FreeCAD,kkoksvik/FreeCAD,usakhelo/FreeCAD,usakhelo/FreeCAD,bblacey/FreeCAD-MacOS-CI,wood-galaxy/FreeCAD,maurerpe/FreeCAD,usakhelo/FreeCAD,chrisjaquet/FreeCAD,timthelion/FreeCAD,kkoksvik/FreeCAD,Fat-Zer/FreeCAD_sf_master,maurerpe/FreeCAD