remote/exporter: hostname option is ignored

Following the addition of the fqdn option, the hostname is ignored.
Hostname is set with gethostname() regardless of args.hostname value
because the condition is incorrect.

Fix this and get the hostname option working again.

Cc: Andreas Naumann <anaumann@ultratronik.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Author: jbrun3t

labgrid/remote/exporter.py

@@ -949,7 +949,7 @@ def main():
 
     extra = {
         'name': args.name or gethostname(),
-        'hostname': args.hostname or getfqdn() if args.fqdn else gethostname(),
+        'hostname': args.hostname or (getfqdn() if args.fqdn else gethostname()),
         'resources': args.resources,
         'isolated': args.isolated
     }