rename bonus exercices to _bonus

Makefile

@@ -45,15 +45,15 @@ SRC			= ft_isalpha.c \
 			  ft_putendl_fd.c \
 			  ft_putnbr_fd.c
 
-BONUS_SRC	= ft_lstnew.c \
-			  ft_lstadd_front.c \
-			  ft_lstsize.c \
-			  ft_lstlast.c \
-			  ft_lstadd_back.c \
-			  ft_lstdelone.c \
-			  ft_lstclear.c \
-			  ft_lstiter.c \
-			  ft_lstmap.c
+BONUS_SRC	= ft_lstnew_bonus.c \
+			  ft_lstadd_front_bonus.c \
+			  ft_lstsize_bonus.c \
+			  ft_lstlast_bonus.c \
+			  ft_lstadd_back_bonus.c \
+			  ft_lstdelone_bonus.c \
+			  ft_lstclear_bonus.c \
+			  ft_lstiter_bonus.c \
+			  ft_lstmap_bonus.c
 
 OBJ			= $(SRC:.c=.o)
 
@@ -62,15 +62,13 @@ BONUS_OBJ	= $(BONUS_SRC:.c=.o)
 
 all: 		$(NAME)
 
-bonus:		$(OBJ) $(BONUS_OBJ)
+bonus:		$(BONUS_OBJ)
 			$(AR) $(ARFLAGS) $(NAME) $(OBJ) $(BONUS_OBJ)
-			ranlib $(NAME)
 
-$(NAME):	$(OBJ)
+$(NAME):	$(OBJ) $(HEADER)
 			$(AR) $(ARFLAGS) $(NAME) $(OBJ)
-			ranlib $(NAME)
 
-$(OBJ_DIR)/%.o:		%.c
+%.o:		%.c
 			$(CC) -o $@ -c $< $(CFLAGS) -I$(HEADER)
 
 clean: