bump buildroot to 2019.02.2

bsp/buildroot/package/samba4/samba4.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SAMBA4_VERSION = 4.9.4
+SAMBA4_VERSION = 4.9.6
 SAMBA4_SITE = https://download.samba.org/pub/samba/stable
 SAMBA4_SOURCE = samba-$(SAMBA4_VERSION).tar.gz
 SAMBA4_INSTALL_STAGING = YES
@@ -18,7 +18,7 @@ SAMBA4_DEPENDENCIES = \
 	$(if $(BR2_PACKAGE_READLINE),readline) \
 	$(TARGET_NLS_DEPENDENCIES)
 SAMBA4_CFLAGS = $(TARGET_CFLAGS)
-SAMBA4_LDFLAGS = $(TARGET_LDFLAGS)
+SAMBA4_LDFLAGS = $(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)
 SAMBA4_CONF_ENV = \
 	CFLAGS="$(SAMBA4_CFLAGS)" \
 	LDFLAGS="$(SAMBA4_LDFLAGS)"