Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/go/smart_pointer_simple_runme.go

@@ -0,0 +1,19 @@
+package main
+
+import . "./smart_pointer_simple"
+
+func main() {
+	f := NewFoo()
+	b := NewBar(f)
+
+	b.SetX(3)
+	if b.Getx() != 3 {
+		panic(0)
+	}
+
+	fp := b.X__deref__()
+	fp.SetX(4)
+	if fp.Getx() != 4 {
+		panic(0)
+	}
+}