Mark BROKEN: fails to build

/wrkdirs/usr/ports/multimedia/avidemux-plugins/work/avidemux_2.6.11/avidemux_plugins/ADM_demuxers/MpegTS/dmxTSPacket.cpp: In member function 'bool tsPacket::decodePesHeader(TS_PESpacket*)':
/wrkdirs/usr/ports/multimedia/avidemux-plugins/work/avidemux_2.6.11/avidemux_plugins/ADM_demuxers/MpegTS/dmxTSPacket.cpp:436:49: error: unable to find string literal operator 'operator""x' with 'const char [30]', 'long unsigned int' arguments
#define fail(x) {printf("[Ts Demuxer]***"x"*\n");return false;}

Reported by: pkg-fallout
MFH: 2017Q4