- Use 'unsigned' whenever possible


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@3907 82007160-df01-0410-b94d-b575c5fd34c7
- hash.c: Use 'unsigned' whenever possible


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@3908 82007160-df01-0410-b94d-b575c5fd34c7