Deal with these compilation errors, ex:

--- MOTSlideShow.o ---
In file included from drmtx/common/datadecoding/MOTSlideShow.h:33,
                 from drmtx/common/datadecoding/MOTSlideShow.cpp:31:
drmtx/common/datadecoding/DABMOT.h: In constructor 
'CMOTDABEnc::CMOTDABEnc()':
drmtx/common/datadecoding/DABMOT.h:510:5: error: 'txTransportID' was 
not declared in this scope; did you mean 'TTransportID'?
  510 |     txTransportID=0;
      |     ^~~~~~~~~~~~~
      |     TTransportID