[Go] Add a test for godirectorin with const char **

This exercises a bug that was found with this fairly complex mapping, it
wasn't putting newlines in the proper place.  A previous commit added
the newlines, this makes sure it doesn't happen again.

Signed-off-by: Corey Minyard <cminyard@mvista.com>

Examples/test-suite/go/go_director_inout_runme.go

@@ -34,6 +34,15 @@ func (p *GoMyClass) S3(s *string) {
 	*s = "R3"
 }
 
+func (p *GoMyClass) S4(s []string) {
+	if s[0] != "T1" {
+		panic(s)
+	}
+	if s[1] != "T2" {
+		panic(s)
+	}
+}
+
 func main() {
 	a := wrap.NewDirectorMyClass(&GoMyClass{})
 	m := map[string]interface{}{
@@ -56,6 +65,8 @@ func main() {
 		panic(str)
 	}
 
+	a.CallS4([]string{ "T1", "T2" })
+
 	a = wrap.NewDirectorMyClass(nil)
 	s = a.Adjust(m)
 	if s.Str != `{"first":"second"}` {