Makefile used spaces instead of a tab

Change-Id: Ia34f80d99062ef2899527f11d7bf72e78c63e31c
diff --git a/core/Makefile b/core/Makefile
index 222e6b0..27f22a9 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1264,7 +1264,7 @@
 	$(hide) echo "mkbootimg_args=$(BOARD_MKBOOTIMG_ARGS)" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "use_set_metadata=1" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "multistage_support=1" >> $(zip_root)/META/misc_info.txt
-        $(hide) echo "update_rename_support=1" >> $(zip_root)/META/misc_info.txt
+	$(hide) echo "update_rename_support=1" >> $(zip_root)/META/misc_info.txt
 	$(call generate-userimage-prop-dictionary, $(zip_root)/META/misc_info.txt)
 	@# Zip everything up, preserving symlinks
 	$(hide) (cd $(zip_root) && zip -qry ../$(notdir $@) .)