Change permissions on Dispvm template files only if we are root

Otherwise, it makes no sense, and thus we do not unnecessarily
warn.

dom0/restore/qvm-create-default-dvm

@@ -57,6 +57,9 @@ else
 	ln -s $SHMCOPY $CURRENT
 fi 
 
+if [ $(whoami) = "root" ] ; then
 	chgrp qubes "$DVMTMPLDIR" "$DVMTMPLDIR"/*
 	chmod 660 "$DVMTMPLDIR"/*
 	chmod 770 "$DVMTMPLDIR"
+fi
+