fix default profile where unsupported

Signed-off-by: Jessica Frazelle <acidburn@docker.com>
Upstream-commit: 94b45310f400310af908a71f63ffcdaa504266de
Component: engine

components/engine/daemon/execdriver/native/seccomp_default.go

@@ -1,4 +1,4 @@
-// +build linux
+// +build linux,seccomp
 
 package native
 

components/engine/daemon/execdriver/native/seccomp_unsupported.go

@@ -0,0 +1,9 @@
+// +build linux,!seccomp
+
+package native
+
+import "github.com/opencontainers/runc/libcontainer/configs"
+
+var (
+	defaultSeccompProfile *configs.Seccomp
+)