Fixed a bug in the set-alias command
Fixed a bug in the set-alias command

set-alias did not clean up the stack in case the "/aliases" node coud not be
found.

Signed-off-by: Thomas Huth <9e65be74847981e55b2564b6266c57d86d3bac05@linux.vnet.ibm.com>

agraf/SLOF,qemu/SLOF,stefanberger/SLOF-tpm,leilihh/SLOF,k0da/SLOF,dgibson/SLOF,mdroth/SLOF,stefanberger/SLOF-tpm,agraf/SLOF,open-power-host-os/slof,dgibson/SLOF,mdroth/SLOF,open-power-host-os/slof,k0da/SLOF,aik/SLOF,leilihh/SLOF,mdroth/SLOF,leilihh/SLOF,stefanberger/SLOF-tpm,aik/SLOF,open-power-host-os/slof,dgibson/SLOF,qemu/SLOF,aik/SLOF,agraf/SLOF,dgibson/SLOF,leilihh/SLOF,open-power-host-os/slof,k0da/SLOF,qemu/SLOF,mdroth/SLOF,agraf/SLOF,k0da/SLOF