hv.h: missing macro parentheses

Let’s defuse this time bomb before it causes problems.

diff --git a/hv.h b/hv.h
index d5632be..6062522 100644 (file)
--- a/hv.h
+++ b/hv.h
@@ -472,7 +472,7 @@ C<SV*>.
 
 #ifdef PERL_CORE
 # define hv_deletehek(hv, hek, flags) \
-    hv_common(hv, NULL, HEK_KEY(hek), HEK_LEN(hek), HEK_UTF8(hek), \
+    hv_common((hv), NULL, HEK_KEY(hek), HEK_LEN(hek), HEK_UTF8(hek), \
              (flags)|HV_DELETE, NULL, HEK_HASH(hek))
 #endif