[SystemCSim] always use / (and not platform depended \) to get always valid paths in cmake

cmake and most of windows api also work with / as path separator but \ are often escaping chars in other systems

Signed-off-by: Benjamin Beichler <Benjamin.Beichler@uni-rostock.de>
Change-Id: I3785c1b64f5ef0ec97ccd515b1c9ba1d3c463522
1 file changed