remove inutile -e in echo commands in Makefile

source/Makefile

@@ -91,10 +91,10 @@ LDFLAGS  += -shared
 all: $(OBJ) $(OBJ_model) $(OBJ_ext)
 	@echo "\033[33m"lib$(LIBNAME).so : "\033[0m"
 	$(LD) $(LDFLAGS) $(OBJ) $(OBJ_model) $(OBJ_ext) $(LIBS) -o $(LIBDIR)/lib$(LIBNAME).so
-	@echo -e "\033[1m    lib$(LIBNAME).so done\033[0m"
+	@echo "\033[1m    lib$(LIBNAME).so done\033[0m"
 	@echo "\033[33m"lib$(LIBNAME)_root.so : "\033[0m"
 	$(LD) $(LDFLAGS) $(ROOTOBJS) $(LIBS) -o $(LIBDIR)/lib$(LIBNAME)_root.so
-	@echo -e "\033[1m    lib$(LIBNAME)_root.so done\033[0m"
+	@echo "\033[1m    lib$(LIBNAME)_root.so done\033[0m"
 
 clean:
 	@echo -e "\033[41;97;1mclean\033[0m"