make: test: rpc: don't forget to delete rpc_pb2.pyc

When performing "make clean" rpc_pb2.pyc should be deleted as well.
Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/rpc/Makefile

@@ -17,5 +17,5 @@ rpc.pb-c.c: rpc.proto
 	protoc-c --proto_path=. --c_out=. rpc.proto
 
 clean:
-	rm -rf build rpc.pb-c.o test.o test-c rpc.pb-c.c rpc.pb-c.h rpc_pb2.py
+	rm -rf build rpc.pb-c.o test.o test-c rpc.pb-c.c rpc.pb-c.h rpc_pb2.py rpc_pb2.pyc
 .PHONY: clean