1 files changed, 6 insertions, 4 deletions
diff --git a/libs/libcurl/src/multihandle.h b/libs/libcurl/src/multihandle.h
index 76a67a89a0..a997784ea3 100644
--- a/libs/libcurl/src/multihandle.h
+++ b/libs/libcurl/src/multihandle.h
@@ -150,11 +150,13 @@ struct Curl_multi {
                                    0 is used for read, 1 is used for write */
 #endif
 #endif
-  /* multiplexing wanted */
-  bool multiplexing;
-  bool recheckstate; /* see Curl_multi_connchanged */
+#define IPV6_UNKNOWN 0
+#define IPV6_DEAD    1
+#define IPV6_WORKS   2
+  unsigned char ipv6_up;       /* IPV6_* defined */
+  bool multiplexing;           /* multiplexing wanted */
+  bool recheckstate;           /* see Curl_multi_connchanged */
   bool in_callback;            /* true while executing a callback */
-  bool ipv6_works;
 #ifdef USE_OPENSSL
   bool ssl_seeded;
 #endif