Merge pull request #7 from carlfj/fix-indents-for-md5sum

New indents broke rc.local md5sum, startup script

pishrink.sh

@@ -63,6 +63,7 @@ if [ "$should_skip_autoexpand" = false ]; then
   if [ `md5sum $mountdir/etc/rc.local | cut -d ' ' -f 1` != "a27a4d8192ea6ba713d2ddd15a55b1df" ]; then
     echo Creating new /etc/rc.local
     mv $mountdir/etc/rc.local $mountdir/etc/rc.local.bak
+    #Do not touch the following 6 lines including EOF. The md5sum check above depends on having the extact same bytes.
     cat <<\EOF > $mountdir/etc/rc.local
 #!/bin/bash
 /usr/bin/raspi-config --expand-rootfs