libglib2: add host-util-linux for host variant

It's required now, fixes:
http://autobuild.buildroot.net/results/e81/e81f98561867d370115a019284682c0611796978/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libglib2/libglib2.mk

@@ -105,7 +105,12 @@ LIBGLIB2_DEPENDENCIES = \
 	libffi pcre util-linux zlib $(if $(BR2_NEEDS_GETTEXT),gettext)
 
 HOST_LIBGLIB2_DEPENDENCIES = \
-	host-gettext host-libffi host-pcre host-pkgconf host-zlib
+	host-gettext \
+	host-libffi \
+	host-pcre \
+	host-pkgconf \
+	host-util-linux \
+	host-zlib
 
 LIBGLIB2_CONF_OPTS = \
 	--with-pcre=system