- m_nick.c: fixed compile error with --enable-assert


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@4165 82007160-df01-0410-b94d-b575c5fd34c7
- .travis.yml: build with --enable-assert


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/trunk@4168 82007160-df01-0410-b94d-b575c5fd34c7