package/skopeo: needs CGO linking for host

Fixes: http://autobuild.buildroot.org/results/35e/35ec43c0970f001e422d0b2ca6f8319deea2cde4/

Signed-off-by: Yann E. MORIN <yann.morin@orange.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/skopeo/Config.in.host

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_HOST_SKOPEO
 	bool "host skopeo"
 	depends on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
+	depends on BR2_PACKAGE_HOST_GO_HOST_CGO_LINKING_SUPPORTS
 	help
 	  skopeo is a command line utility that performs various
 	  operations on container images and image repositories.