samba4: add nfs-kernel-server/host build dependency

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

net/samba4/Makefile

@@ -14,7 +14,7 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_HASH:=e0569a8a605d5dfb49f1fdd11db796f4d36fe0351c4a7f21387ef253010b82ed
 
 # Buildroot bug? Can't add target deps via '+SAMBA4_SERVER_AD_DC:python-crypto' (as work-around we select via config.in)
-PKG_BUILD_DEPENDS:=perl/host python/host SAMBA4_SERVER_AD_DC:python-crypto
+PKG_BUILD_DEPENDS:=perl/host python/host SAMBA4_SERVER_AD_DC:python-crypto nfs-kernel-server/host
 
 PKG_CONFIG_DEPENDS:= \
 	CONFIG_SAMBA4_SERVER_NETBIOS \