THRIFT-1735 remove generated files with  make clean


git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1404816 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tutorial/py/Makefile.am b/tutorial/py/Makefile.am
index a5599e5..2397a12 100755
--- a/tutorial/py/Makefile.am
+++ b/tutorial/py/Makefile.am
@@ -30,6 +30,9 @@
 tutorialclient: all
 	${PYTHON} PythonClient.py
 
+clean-local:
+	$(RM) -r gen-*
+
 EXTRA_DIST = \
 	PythonServer.py \
 	PythonClient.py