///////////////////////////////////////////////////////////////////////////
// senf::log::IOStreamTarget
-const char * const senf::log::IOStreamTarget::LEVELNAMES_[8] = {
+char const * const senf::log::IOStreamTarget::LEVELNAMES_[8] = {
"NONE", "VERBOSE", "NOTICE", "MESSAGE", "IMPORTANT", "CRITICAL", "FATAL", "DISABLED" };
prefix_ senf::log::IOStreamTarget::IOStreamTarget(std::ostream & os)