retrieve gerrit project name from uri
diff --git a/include/haproxy/backend-t.h b/include/haproxy/backend-t.h
index 8bee110..b5d448f 100644
--- a/include/haproxy/backend-t.h
+++ b/include/haproxy/backend-t.h
@@ -157,6 +157,7 @@
int arg_opt1; /* extra option 1 for the LB algo (algo-specific) */
int arg_opt2; /* extra option 2 for the LB algo (algo-specific) */
int arg_opt3; /* extra option 3 for the LB algo (algo-specific) */
+ int arg_opt4; /* extra option 4 for the LB algo (algo-specific) */
__decl_thread(HA_RWLOCK_T lock);
struct server *fbck; /* first backup server when !PR_O_USE_ALL_BK, or NULL */