workaround to mitigate the linking error

lib/include/srslte/asn1/rrc_nr.h

@@ -2458,6 +2458,15 @@ private:
   elem_type_paramT_ c;
 };
 
+
+template <class elem_type_paramT_>
+std::string setup_release_c<elem_type_paramT_>::types_opts::to_string() const
+{
+  static const char* options[] = {"release", "setup"};
+  return convert_enum_idx(options, 2, value, "setup_release_c::types");
+}
+
+
 // UAC-BarringPerCat ::= SEQUENCE
 struct uac_barr_per_cat_s {
   uint8_t access_category       = 1;

lib/src/asn1/rrc_nr.cc

@@ -4283,13 +4283,6 @@ SRSASN_CODE setup_release_c<elem_type_paramT_>::unpack(cbit_ref& bref)
   return SRSASN_SUCCESS;
 }
 
-template <class elem_type_paramT_>
-std::string setup_release_c<elem_type_paramT_>::types_opts::to_string() const
-{
-  static const char* options[] = {"release", "setup"};
-  return convert_enum_idx(options, 2, value, "setup_release_c::types");
-}
-
 // UAC-BarringPerCat ::= SEQUENCE
 SRSASN_CODE uac_barr_per_cat_s::pack(bit_ref& bref) const
 {