base-files: upgrade: fix indent

Use same indent as for the rest of the file.

Signed-off-by: Javier Marcet <javier@marcet.info>
[add commit description]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

package/base-files/files/lib/upgrade/common.sh

@@ -103,11 +103,11 @@ get_magic_long() {
 }
 
 get_magic_gpt() {
-    (get_image "$@" | dd bs=8 count=1 skip=64) 2>/dev/null
+	(get_image "$@" | dd bs=8 count=1 skip=64) 2>/dev/null
 }
 
 get_magic_vfat() {
-    (get_image "$@" | dd bs=1 count=3 skip=54) 2>/dev/null
+	(get_image "$@" | dd bs=1 count=3 skip=54) 2>/dev/null
 }
 
 part_magic_efi() {