Win32 Crashreport: use FTP passive mode

(cherry picked from commit 12797a5244521f1655afff27d09f13c4f541edba)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

bin/winvlc.c

@@ -238,7 +238,7 @@ static void check_crashdump(void)
         if(Hint)
         {
             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
-                                            NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
+                                            NULL, NULL, INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
             if(ftp)
             {
                 SYSTEMTIME now;