thttpd: fix thttpd_wrapper name

Patch by Simon Pasch.

package/thttpd/thttpd.mk

@@ -46,7 +46,7 @@ $(TARGET_DIR)/$(THTTPD_TARGET_BINARY): $(THTTPD_DIR)/$(THTTPD_BINARY)
 	install -D $(THTTPD_DIR)/scripts/thttpd.sh $(TARGET_DIR)/etc/init.d/S90thttpd
 	cp $(TARGET_DIR)/etc/init.d/S90thttpd $(TARGET_DIR)/etc/init.d/S90thttpd.in
 	cp $(TARGET_DIR)/sbin/thttpd_wrapper $(TARGET_DIR)/sbin/thttpd_wrapper.in
-	sed -e "s:/usr/local/sbin:/sbin:g" -e "s:/usr/local/www:$(THTTPD_WEB_DIR):g" < $(TARGET_DIR)/sbin/thttpd_wrapper.in > $(TARGET_DIR)/sbin/httpd_wrapper
+	sed -e "s:/usr/local/sbin:/sbin:g" -e "s:/usr/local/www:$(THTTPD_WEB_DIR):g" < $(TARGET_DIR)/sbin/thttpd_wrapper.in > $(TARGET_DIR)/sbin/thttpd_wrapper
 	sed -e "s:/usr/local/sbin:/sbin:g" < $(TARGET_DIR)/etc/init.d/S90thttpd.in > $(TARGET_DIR)/etc/init.d/S90thttpd
 	rm -f $(TARGET_DIR)/etc/init.d/S90thttpd.in $(TARGET_DIR)/sbin/thttpd_wrapper.in
 	install -d $(TARGET_DIR)$(THTTPD_WEB_DIR)/data