- Fix some cppcheck warnings

git-svn-id: http://odamex.net/svn/root/trunk@4473 b0bcef46-2027-0410-bd56-ab726e9a1d04
- Allow use of $ sign in directory names

git-svn-id: http://odamex.net/svn/root/trunk@4474 b0bcef46-2027-0410-bd56-ab726e9a1d04