THRIFT-4631 Fix Ruby codegen to gen valid ruby for recursive structs
diff --git a/test/rb/Makefile.am b/test/rb/Makefile.am
index 4bd4704..cfdc149 100644
--- a/test/rb/Makefile.am
+++ b/test/rb/Makefile.am
@@ -20,6 +20,7 @@
 stubs: $(THRIFT) ../ThriftTest.thrift ../SmallTest.thrift
 	$(THRIFT) --gen rb ../ThriftTest.thrift
 	$(THRIFT) --gen rb ../SmallTest.thrift
+	$(THRIFT) --gen rb ../Recursive.thrift
 
 precross: stubs