src: Add verbose pretty print for enumerated types

This is just much easier to read when reading the text
dumps.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/include/asn1c/NativeEnumerated.h b/include/asn1c/NativeEnumerated.h
index c59bb1b..b5acc71 100644
--- a/include/asn1c/NativeEnumerated.h
+++ b/include/asn1c/NativeEnumerated.h
@@ -24,6 +24,7 @@
 xer_type_encoder_f NativeEnumerated_encode_xer;
 per_type_decoder_f NativeEnumerated_decode_uper;
 per_type_encoder_f NativeEnumerated_encode_uper;
+asn_struct_print_f NativeEnumerated_print;
 
 #ifdef __cplusplus
 }