util-linux: add missing dependency on libcap-ng

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/util-linux/util-linux.mk

@@ -40,6 +40,10 @@ UTIL_LINUX_DEPENDENCIES += gettext
 UTIL_LINUX_MAKE_OPT += LIBS=-lintl
 endif
 
+ifeq ($(BR2_PACKAGE_LIBCAP_NG),y)
+UTIL_LINUX_DEPENDENCIES += libcap-ng
+endif
+
 # Used by cramfs utils
 UTIL_LINUX_DEPENDENCIES += $(if $(BR2_PACKAGE_ZLIB),zlib)