test/rpc: compile test-c

Fixes: 94928cf8 ("test/rpc: include unistd.h")
Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/rpc/Makefile

 all: test-c rpc_pb2.py criu
 .PHONY: all
 
-CFLAGS += -g -Werror -Wall
+CFLAGS += -g -Werror -Wall -I.
+LDFLAGS += -lprotobuf-c
 
 run: all
 	mkdir -p build
@@ -12,9 +13,9 @@ criu:
 	cp ../../criu $@
 	chmod u+s $@
 
-test-c: rpc.pb-c.o test.o
+test-c: rpc.pb-c.o test-c.o
 
-test.o: test.c
+test-c.o: test-c.c rpc.pb-c.c
 
 rpc_pb2.py: rpc.proto
 	protoc --proto_path=. --python_out=. rpc.proto
@@ -23,5 +24,5 @@ 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 rpc_pb2.pyc criu
+	rm -rf build rpc.pb-c.o test-c.o test-c rpc.pb-c.c rpc.pb-c.h rpc_pb2.py rpc_pb2.pyc criu
 .PHONY: clean