Fix show job=<jobname> by keyword order change

As job is also the beginning of jobdefs, the keyword
parser matches jobdefs if show job is called.

Reordering the keywords fixed the problem.

Fixes #399: show job=<jobname> does not work

src/dird/ua_output.c

@@ -182,8 +182,8 @@ static struct showstruct avail_resources[] = {
    { NT_("clients"), R_CLIENT },
    { NT_("counters"), R_COUNTER },
    { NT_("devices"), R_DEVICE },
-   { NT_("jobdefs"), R_JOBDEFS },
    { NT_("jobs"), R_JOB },
+   { NT_("jobdefs"), R_JOBDEFS },
    { NT_("storages"), R_STORAGE },
    { NT_("catalogs"), R_CATALOG },
    { NT_("schedules"), R_SCHEDULE },