Follow 308 redirect in WinHTTP transport
diff --git a/src/transports/winhttp.c b/src/transports/winhttp.c
index a7c0759..688b536 100644
--- a/src/transports/winhttp.c
+++ b/src/transports/winhttp.c
@@ -49,6 +49,10 @@
# define WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_2 0x00000800
#endif
+#ifndef HTTP_STATUS_PERMANENT_REDIRECT
+# define HTTP_STATUS_PERMANENT_REDIRECT 308
+#endif
+
#ifndef DWORD_MAX
# define DWORD_MAX 0xffffffff
#endif
@@ -1071,7 +1075,8 @@ replay:
HTTP_STATUS_REDIRECT == status_code ||
(HTTP_STATUS_REDIRECT_METHOD == status_code &&
get_verb == s->verb) ||
- HTTP_STATUS_REDIRECT_KEEP_VERB == status_code)) {
+ HTTP_STATUS_REDIRECT_KEEP_VERB == status_code ||
+ HTTP_STATUS_PERMANENT_REDIRECT == status_code)) {
/* Check for Windows 7. This workaround is only necessary on
* Windows Vista and earlier. Windows 7 is version 6.1. */