openflow_input: fix naming of group type in group desc stats entry
The C backend blacklists the name "type" so accessors aren't generated.
"group_type" works and is consistent with the other classes.
diff --git a/openflow_input/standard-1.3 b/openflow_input/standard-1.3
index 767594a..0d21443 100644
--- a/openflow_input/standard-1.3
+++ b/openflow_input/standard-1.3
@@ -1382,7 +1382,7 @@
struct of_group_desc_stats_entry {
uint16_t length;
- uint8_t type;
+ uint8_t group_type;
pad(1);
uint32_t group_id;
list(of_bucket_t) buckets;