Install may fail on Windows platforms

From an osTicket user,

Unknown or invalid schema signature (d959a00e55c75e0c903b9e37324fd25d .. 9e85d0c8f8532e3b0be38e99aba07aa1)

**To reproduce**

On a *nix box, open the osTicket-mysql.sql in ViM, and do `se ff=dos`, save and quit, then `md5sum` the file. The hash will be `9e85d0c8f8532e3b0be38e99aba07aa1`