samba4: update to 4.12.6

* update to 4.12.6
* fix optional modules not included on module build (vfs_btrfs, vfs_linux_xfs_sgid)

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>

net/samba4/Makefile

@@ -2,7 +2,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=samba
-PKG_VERSION:=4.12.5
+PKG_VERSION:=4.12.6
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
@@ -13,7 +13,7 @@ PKG_SOURCE_URL:= \
 		http://www.nic.funet.fi/index/samba/pub/samba/stable/ \
 		http://samba.mirror.bit.nl/samba/ftp/stable/ \
 		https://download.samba.org/pub/samba/stable/
-PKG_HASH:=54b41cc6378acae20dd155ba55d78ff171875c2eaa3f05f87b485d3d6891b815
+PKG_HASH:=02289bb5e5538780e7b1d1cf6f040195cc75ea229dc28a9a1cb16a0608af6cec
 
 PKG_MAINTAINER:=Andy Walsh <andy.walsh44+github@gmail.com>
 PKG_LICENSE:=GPL-3.0-only
@@ -257,13 +257,13 @@ SAMBA4_VFS_MODULES :=vfs_default,
 SAMBA4_VFS_MODULES_SHARED :=auth_script,
 ifeq ($(CONFIG_SAMBA4_SERVER_VFS),y)
 	SAMBA4_VFS_MODULES_SHARED :=$(SAMBA4_VFS_MODULES_SHARED)vfs_fruit,vfs_shadow_copy2,vfs_recycle,vfs_fake_perms,vfs_readonly,vfs_cap,vfs_offline,vfs_crossrename,vfs_catia,vfs_streams_xattr,vfs_xattr_tdb,vfs_default_quota,
-ifeq ($(CONFIG_PACKAGE_kmod-fs-btrfs),y)
+ifdef CONFIG_PACKAGE_kmod-fs-btrfs
 	SAMBA4_VFS_MODULES_SHARED :=$(SAMBA4_VFS_MODULES_SHARED)vfs_btrfs,
 endif
 endif
 ifeq ($(CONFIG_SAMBA4_SERVER_VFSX),y)
 	SAMBA4_VFS_MODULES_SHARED :=$(SAMBA4_VFS_MODULES_SHARED)vfs_virusfilter,vfs_shell_snap,vfs_commit,vfs_worm,vfs_aio_fork,vfs_aio_pthread,vfs_netatalk,vfs_dirsort,vfs_fileid,
-ifeq ($(CONFIG_PACKAGE_kmod-fs-xfs),y)
+ifdef CONFIG_PACKAGE_kmod-fs-xfs
 	SAMBA4_VFS_MODULES_SHARED :=$(SAMBA4_VFS_MODULES_SHARED)vfs_linux_xfs_sgid,
 endif
 endif