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/using_protected_runme.go

@@ -0,0 +1,12 @@
+package main
+
+import . "./using_protected"
+
+func main() {
+	f := NewFooBar()
+	f.SetX(3)
+
+	if f.Blah(4) != 4 {
+		panic("blah(int)")
+	}
+}