- Incorporate Adam's writev() patch


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@3241 82007160-df01-0410-b94d-b575c5fd34c7
- hash.c: style fixes only


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@3242 82007160-df01-0410-b94d-b575c5fd34c7
- send.c: mostly style cleanups. Removed some useless assert() statements


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@3243 82007160-df01-0410-b94d-b575c5fd34c7