base-files: fix whitespaces

base-files/files/bin/ipcalc.sh

base-files/files/etc/config/network

base-files/files/etc/init.d/sysctl

base-files/files/etc/init.d/umount

base-files/files/etc/preinit

base-files/files/etc/uci-defaults/11_migrate-sysctl

base-files/files/lib/functions/network.sh

base-files/files/lib/functions/service.sh

base-files/files/lib/preinit/10_indicate_failsafe

base-files/files/lib/preinit/10_indicate_preinit

base-files/files/lib/preinit/30_failsafe_wait

base-files/files/lib/preinit/40_run_failsafe_hook

base-files/files/lib/preinit/50_indicate_regular_preinit

base-files/files/lib/preinit/70_initramfs_test

base-files/files/lib/preinit/99_10_failsafe_login

base-files/files/lib/preinit/99_10_run_init

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

base-files/files/sbin/sysupgrade

base-files/files/sbin/wifi