stats: add version field to stat segment base header

Add a version in the base header of the stat segment
To make support for multiple reader implementations safer.

Change-Id: I6816e2a51a98c2df1e621e80d4ef0b4ba4e9f47b
Type: feature
Signed-off-by: Ole Troan <ot@cisco.com>
diff --git a/src/vpp-api/client/stat_client.h b/src/vpp-api/client/stat_client.h
index 901ec32..12faddb 100644
--- a/src/vpp-api/client/stat_client.h
+++ b/src/vpp-api/client/stat_client.h
@@ -78,6 +78,8 @@
 
 char *stat_segment_index_to_name_r (uint32_t index, stat_client_main_t * sm);
 char *stat_segment_index_to_name (uint32_t index);
+uint64_t stat_segment_version (void);
+uint64_t stat_segment_version_r (stat_client_main_t * sm);
 
 #endif /* included_stat_client_h */