1 files changed, 1 insertions, 0 deletions
diff --git a/hv.h b/hv.h
index e0dd64673b..90d911544f 100644
--- a/hv.h
+++ b/hv.h
@@ -63,6 +63,7 @@ struct xpvhv {
 #define xhv_aux xnv_u.xnv_s.xnv_p1
 #define xhv_keys xnv_u.xnv_s.xnv_u2.xnv_i2
 
+typedef struct xpvhv xpvhv_allocated;
 
 /* hash a key */
 /* FYI: This is the "One-at-a-Time" algorithm by Bob Jenkins