fix use of BUILD_WITH_LARGEFILE to properly

refer to BR2_LARGEFILE

package/sed/sed.mk

@@ -11,7 +11,7 @@ SED_DIR1:=$(TOOL_BUILD_DIR)/sed-$(SED_VER)
 SED_DIR2:=$(BUILD_DIR)/sed-$(SED_VER)
 SED_BINARY:=sed/sed
 SED_TARGET_BINARY:=bin/sed
-ifeq ($(strip $(BUILD_WITH_LARGEFILE)),true)
+ifeq ($(strip $(BR2_LARGEFILE)),y)
 SED_CPPFLAGS=-D_FILE_OFFSET_BITS=64
 endif
 #HOST_SED_DIR:=$(STAGING_DIR)