upstream type patch from FreeBSD port, it matches the rest of our code base

taken from http://svnweb.freebsd.org/ports/head/multimedia/mythtv/files/patch-libs__libmythtv__recorders__dvbstreamhandler.cpp?view=markup
initialize integer printing buffer while we still need it (cppcheck)
let the copy constructor also copy m_style (cppcheck)
remove unneeded cast