dlsniper: add main.go for GopherCon

Change-Id: I2d9b4a7eb824d2d75ff47307e0ad60c6ee6d909c
Reviewed-on: https://go-review.googlesource.com/48753
Reviewed-by: Jessica Frazelle <me@jessfraz.com>
diff --git a/dlsniper/main.go b/dlsniper/main.go
new file mode 100644
index 0000000..dfc3858
--- /dev/null
+++ b/dlsniper/main.go
@@ -0,0 +1,11 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Greetings from GopherCon!")
+}