Bind /etc/asound.conf and /etc/machine-id

Fixes sound issues on some systems.

squashfs-start.sh

@@ -31,7 +31,7 @@ export working_dir=/tmp/"$(basename "${script}")"_"${USER}"_"${script_md5}"
 # a problem with mounting the squashfs image due to an incorrectly calculated offset.
 
 # The size of this script
-scriptsize=13588
+scriptsize=13692
 
 # The size of the utils.tar archive
 # utils.tar contains bwrap and squashfuse binaries
@@ -206,6 +206,8 @@ run_bwrap () {
 			--ro-bind-try /etc/nsswitch.conf /etc/nsswitch.conf \
 			--ro-bind-try /etc/passwd /etc/passwd \
 			--ro-bind-try /etc/group /etc/group \
+			--ro-bind-try /etc/machine-id /etc/machine-id \
+			--ro-bind-try /etc/asound.conf /etc/asound.conf \
 			${dirs} \
 			${net} \
 			${nvidia_driver_bind} \