package/samba4: fix build with NLS

Fixes:
 - http://autobuild.buildroot.org/results/52586a2b8680869fc904ffcac548cf0d683070a6

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/samba4/samba4.mk

@@ -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)"