core/pkg-generic: redirect only when listing package's installed files

There is no need to redirect again and again for each new file added to
the list; we can just redirect once and for all.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/pkg-generic.mk

@@ -83,8 +83,8 @@ define step_pkg_size_end
 	$(call _step_pkg_size_get_file_list,$($(PKG)_DIR)/.br_filelist_after)
 	comm -13 $($(PKG)_DIR)/.br_filelist_before $($(PKG)_DIR)/.br_filelist_after | \
 		while read hash file ; do \
-			echo "$(1),$${file}" >> $(BUILD_DIR)/packages-file-list.txt ; \
-		done
+			echo "$(1),$${file}" ; \
+		done >> $(BUILD_DIR)/packages-file-list.txt
 	rm -f $($(PKG)_DIR)/.br_filelist_before $($(PKG)_DIR)/.br_filelist_after
 endef