Revert "hv.h: rework HEK_FLAGS to a proper member in struct hek"

This reverts commit d3148f758506efd28325dfd8e1b698385133f0cd.

SV keys are stored as pointers in the key_key, on platforms with
alignment requirements (such as PA-RISC) this resulted in bus errors
early in the build.

1 files changed, 2 insertions, 1 deletions

diff --git a/hv.c b/hv.c
index de06148107..7659a6d945 100644
--- a/hv.c
+++ b/hv.c
@@ -80,7 +80,8 @@ S_save_hek_flags(const char *str, I32 len, U32 hash, int flags)
     HEK *hek;
 
     PERL_ARGS_ASSERT_SAVE_HEK_FLAGS;
-    Newx(k, HEK_BASESIZE + len + 1, char);
+
+    Newx(k, HEK_BASESIZE + len + 2, char);
     hek = (HEK*)k;
     Copy(str, HEK_KEY(hek), len, char);
     HEK_KEY(hek)[len] = 0;