Fix for segfault in nrLDPC_encoder

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c

@@ -391,6 +391,10 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
     encoder_implemparams_t impp;
     impp.n_segments=harq_process->C;
     impp.macro_num=0;
+    impp.tinput  = NULL;
+    impp.tprep   = NULL;
+    impp.tparity = NULL;
+    impp.toutput = NULL;
 
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_IN);