f2fs-tools: explicitly select libuuid

Explicitly select BR2_PACKAGE_UTIL_LINUX_LIBUUID. Fixes:
http://autobuild.buildroot.net/results/da5c52b658d9efc25d2c2ad3980add3a36b99ee2/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/f2fs-tools/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_F2FS_TOOLS
 	bool "f2fs-tools"
 	select BR2_PACKAGE_UTIL_LINUX
+	select BR2_PACKAGE_UTIL_LINUX_LIBUUID
 	depends on BR2_LARGEFILE
 	depends on BR2_USE_WCHAR # util-linux
 	help