VOL-2496 Add "event listen" command to voltctl

Change-Id: I8f1fb34b55f56c8125142ac289e2f19fc170d804
diff --git a/vendor/gopkg.in/jcmturner/rpc.v1/mstypes/common.go b/vendor/gopkg.in/jcmturner/rpc.v1/mstypes/common.go
new file mode 100644
index 0000000..62cac28
--- /dev/null
+++ b/vendor/gopkg.in/jcmturner/rpc.v1/mstypes/common.go
@@ -0,0 +1,10 @@
+package mstypes
+
+// LPWSTR implements https://msdn.microsoft.com/en-us/library/cc230355.aspx
+type LPWSTR struct {
+	Value string `ndr:"pointer,conformant,varying"`
+}
+
+func (s *LPWSTR) String() string {
+	return s.Value
+}