use '/bin/echo -e' to make certain we don't use an unusable /bin/sh builtin

package/acpid/acpid.mk

@@ -24,7 +24,7 @@ $(ACPID_DIR)/acpid: $(ACPID_DIR)/.unpacked
 $(TARGET_DIR)/usr/sbin/acpid: $(ACPID_DIR)/acpid
 	cp -a $(ACPID_DIR)/acpid $(TARGET_DIR)/usr/sbin/acpid
 	mkdir -p $(TARGET_DIR)/etc/acpi/events
-	echo -e "event=button[ /]power\naction=/sbin/poweroff" > $(TARGET_DIR)/etc/acpi/events/powerbtn
+	/bin/echo -e "event=button[ /]power\naction=/sbin/poweroff" > $(TARGET_DIR)/etc/acpi/events/powerbtn
 	touch -c $(TARGET_DIR)/usr/sbin/acpid
 
 acpid: $(TARGET_DIR)/usr/sbin/acpid

package/config/Makefile

@@ -116,7 +116,7 @@ ncurses:
 		$(RM) lxtemp.c a.out; \
 	else \
 		$(RM) lxtemp.c; \
-		echo -e "\007" ;\
+		/bin/echo -e "\007" ;\
 		echo ">> Unable to find the Ncurses libraries." ;\
 		echo ">>" ;\
 		echo ">> You must have Ncurses installed in order" ;\