libfilezilla: bump to version 0.30.0 (#6480)

dev-libs/libfilezilla/patches/libfilezilla-0.30.0.patchset

@@ -0,0 +1,22 @@
+From a271486149b4bcec752fa10f58c50399be2ac82b Mon Sep 17 00:00:00 2001
+From: David Karoly <david.karoly@outlook.com>
+Date: Fri, 12 Nov 2021 16:18:06 +0000
+Subject: fix include fcntl.h
+
+
+diff --git a/lib/local_filesys.cpp b/lib/local_filesys.cpp
+index 5ec962d..ba7d583 100644
+--- a/lib/local_filesys.cpp
++++ b/lib/local_filesys.cpp
+@@ -7,7 +7,7 @@
+ #include "windows/security_descriptor_builder.hpp"
+ #else
+ #include <errno.h>
+-#include <sys/fcntl.h>
++#include <posix/fcntl.h>
+ #include <sys/stat.h>
+ #include <sys/types.h>
+ #include <unistd.h>
+-- 
+2.30.2
+