Update vendor folder (Delve support)

vendor/github.com/derekparker/delve/service/config.go

@@ -0,0 +1,28 @@
+package service
+
+import "net"
+
+// Config provides the configuration to start a Debugger and expose it with a
+// service.
+//
+// Only one of ProcessArgs or AttachPid should be specified. If ProcessArgs is
+// provided, a new process will be launched. Otherwise, the debugger will try
+// to attach to an existing process with AttachPid.
+type Config struct {
+	// Listener is used to serve requests.
+	Listener net.Listener
+	// ProcessArgs are the arguments to launch a new process.
+	ProcessArgs []string
+	// WorkingDir is working directory of the new process. This field is used
+	// only when launching a new process.
+	WorkingDir string
+
+	// AttachPid is the PID of an existing process to which the debugger should
+	// attach.
+	AttachPid int
+	// AcceptMulti configures the server to accept multiple connection.
+	// Note that the server API is not reentrant and clients will have to coordinate.
+	AcceptMulti bool
+	// APIVersion selects which version of the API to serve (default: 1).
+	APIVersion int
+}