Commit f84756554e32d97db3aa949db1dd58c7eea62375 added a wildcard search
for *.po files. This search found no files for out of tree builds, so
those builds no longer created and installed *.mo files.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>