util-linux: select libsmartcols when partx is selected

Fixes
http://autobuild.buildroot.net/results/be2/be2e81b27a21355d7a453316d9df1cd4b0da2106/

Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/util-linux/Config.in

@@ -259,6 +259,7 @@ config BR2_PACKAGE_UTIL_LINUX_PARTX
 	bool "partition utilities"
 	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_UTIL_LINUX_LIBBLKID
+	select BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS
 	select BR2_PACKAGE_UTIL_LINUX_LIBUUID
 	help
 	  Partition utilities (addpart, delpart, partx)