Update hcsshim and gowinio for Windows Overlay

vendor/github.com/Microsoft/hcsshim/internal/schema2/plan9_share.go

@@ -0,0 +1,26 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.1
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type Plan9Share struct {
+
+	Name string `json:"Name,omitempty"`
+
+	//  The name by which the guest operation system can access this share, via  the aname parameter in the Plan9 protocol.
+	AccessName string `json:"AccessName,omitempty"`
+
+	Path string `json:"Path,omitempty"`
+
+	Port int32 `json:"Port,omitempty"`
+
+	ReadOnly bool `json:"ReadOnly,omitempty"`
+
+	UseShareRootIdentity bool `json:"UseShareRootIdentity,omitempty"`
+}