[fix] : Fixed mkinitcpio command string

Author: Hayao0819

build.sh

@@ -714,7 +714,7 @@ make_setup_mkinitcpio() {
       exec 17<>"${build_dir}/gpgkey"
     fi
 
-    _chroot_run "mkinitcpio -c /etc/mkinitcpio-archiso.conf -k /boot/${kernel_filename} -g /boot/archiso.img"
+    _chroot_run mkinitcpio -c "/etc/mkinitcpio-archiso.conf" -k "/boot/${kernel_filename}" -g "/boot/archiso.img"
 
     [[ "${gpg_key}" ]] && exec 17<&-