Correct buffer size for do_NR_DLInformationTransfer()

uper_encode_to_buffer() of asn1c returns the number of BITS that have
been encoded; if we use this, we need to calculate the resulting number
of bytes (rounding up) to get the right buffer size.

Note that do_NR_ULInformationTransfer() uses
uper_encode_to_new_buffer() which returns the number of BYTES, hence, in
this similar function, we should not modify the return value.

openair2/RRC/NR/MESSAGES/asn1_msg.c

@@ -941,7 +941,7 @@ uint8_t do_NR_DLInformationTransfer(uint8_t *buffer,
   ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NR_DL_DCCH_Message, &dl_dcch_msg);
   LOG_D(NR_RRC, "DLInformationTransfer Encoded %zd bytes\n", r.encoded);
   // for (int i=0;i<encoded;i++) printf("%02x ",(*buffer)[i]);
-  return r.encoded;
+  return (r.encoded + 7) / 8;
 }
 
 uint8_t do_NR_ULInformationTransfer(uint8_t **buffer, uint32_t pdu_length, uint8_t *pdu_buffer) {