--- mariadb-connector-c-3.1.7-src/libmariadb/secure/schannel_certs.c.orig	2020-04-22 12:08:43.105188700 +0300
+++ mariadb-connector-c-3.1.7-src/libmariadb/secure/schannel_certs.c	2020-04-22 12:34:03.471915300 +0300
@@ -66,7 +66,7 @@
 #define FAIL(...) \
    do{\
      status = get_last_error();\
-     ma_format_win32_error(errmsg, errmsg_len, status, __VA_ARGS__);\
+     ma_format_win32_error(errmsg, errmsg_len, status, ##__VA_ARGS__);\
      goto cleanup;\
   } while (0)
 
