Update SBNDPTBDecoder_module.cc

Reverting changes and correcting metadata check so the old files  (version 1) should be able to be run on with decoder

Author: maxdubnowski

sbndcode/Decoders/PTB/SBNDPTBDecoder_module.cc

@@ -198,13 +198,13 @@ void SBNDPTBDecoder::_process_PTB_AUX(const artdaq::Fragment& frag, ptbsv_t &sou
 	  if (ctbfrag.Trigger(iword)->IsHLT()) 
 	    {
 
-	      if (*(frag.metadata<int>()) == 2){ //If data is taken with 192b PTB words
+	      if ( frag.hasMetadata() == true ){ //If data is past version 2. Make sure to use the right sbndaq-artdaq-core versioning
 		tstruct.prev_timestamp = ctbfrag.PTBWord(iword)->prevTS;
 		tstruct.gate_counter = ctbfrag.Trigger(iword)->gate_counter;
               }
-              else if (*(frag.metadata<int>()) != 2){ //If data is taken with 128b PTB words
-		tstruct.prev_timestamp = -1;
-		tstruct.gate_counter = -1;
+              else if ( frag.hasMetadata() == false ){ //If data is taken with 128b PTB words
+		tstruct.prev_timestamp = 0;
+		tstruct.gate_counter = 0;
 	      }