encoding/cbor: fix skipping of ignored/missing fields in struct unmarshal

core/encoding/cbor/unmarshal.odin

@@ -664,6 +664,8 @@ _unmarshal_map :: proc(d: Decoder, v: any, ti: ^reflect.Type_Info, hdr: Header,
 				
 				// Skips unused map entries.
 				if use_field_idx < 0 {
+					val := err_conv(_decode_from_decoder(d, allocator=context.temp_allocator)) or_return
+					destroy(val, context.temp_allocator)
 					continue
 				}
 			}