windows: document toolchain support for `CERT_NAME_SEARCH_ALL_NAMES_FLAG`

Follow-up to 5f99b45693e9d649397b7b7781f498d9c175bfa2 #18113
Follow-up to 3bfcfe82b9e7fe18cdbd3a06b219a8ce40188a23 #18085

diff --git a/lib/vtls/schannel_verify.c b/lib/vtls/schannel_verify.c
index 7b7246c1eb3c50f3ca2993efdf322b9acb96c04a..17e42707631d0c924ecf24109103ac726f8ec944 100644 (file)
--- a/lib/vtls/schannel_verify.c
+++ b/lib/vtls/schannel_verify.c
@@ -388,6 +388,7 @@ static DWORD cert_get_name_string(struct Curl_easy *data,
   LPTSTR current_pos = NULL;
   DWORD i;
 
+/* Offered by mingw-w64 v4+. MS SDK ~10+/~VS2017+. */
 #ifdef CERT_NAME_SEARCH_ALL_NAMES_FLAG
   /* CERT_NAME_SEARCH_ALL_NAMES_FLAG is available from Windows 8 onwards. */
   if(Win8_compat) {