THRIFT-3467 Go Maps for Thrift Sets Should Have Values of Type struct{}
Client: Go
Patch: artem antonenko <sam901@yandex.ru>

This closes #976
diff --git a/lib/go/test/tests/thrifttest_handler.go b/lib/go/test/tests/thrifttest_handler.go
index 50fe718..822a6c7 100644
--- a/lib/go/test/tests/thrifttest_handler.go
+++ b/lib/go/test/tests/thrifttest_handler.go
@@ -96,7 +96,7 @@
 	return thing, nil
 }
 
-func (p *ThriftTestHandler) TestSet(thing map[int32]bool) (r map[int32]bool, err error) {
+func (p *ThriftTestHandler) TestSet(thing map[int32]struct{}) (r map[int32]struct{}, err error) {
 	return thing, nil
 }