Fixes FileExists check to work with MSVC
Removed commented code.
Merge branch 'fix-file-exists' of https://github.com/macrosblackd/Cataclysm-DDA into macrosblackd-fix-file-exists
Removed comment per macrosblackd's request
Merge branch 'fix-file-exists' of https://github.com/macrosblackd/Cataclysm-DDA into macrosblackd-fix-file-exists