fixing build error

prsona/Makefile

@@ -46,6 +46,9 @@ server: $(PRSONA_BIN_PATH) $(PRSONA_OBJ_PATH) $(BGN_OBJ_PATH) $(666_OBJ_PATH) $(
 client: $(PRSONA_BIN_PATH) $(PRSONA_OBJ_PATH) $(BGN_OBJ_PATH) $(666_OBJ_PATH) $(PRSONA_TMP_PATH) $(PRSONA_BIN_PATH)/client
 orchestrator: $(PRSONA_BIN_PATH) $(PRSONA_OBJ_PATH) $(BGN_OBJ_PATH) $(666_OBJ_PATH) $(PRSONA_TMP_PATH) $(PRSONA_BIN_PATH)/orchestrator
 
+$(PRSONA_TMP_PATH):
+	mkdir -p $@
+
 $(PRSONA_BIN_PATH):
 	mkdir -p $@