scheduler: Fix reasons for previously printed jobs

Before OpenPrinting#832 most successfully finished jobs had incorrect
job state reasons - try to fix them during loading the jobs.

scheduler/job.c

@@ -1832,6 +1832,14 @@ cupsdLoadJob(cupsd_job_t *job)		/* I - Job */
     else
       ippSetString(job->attrs, &job->reasons, 0, "none");
   }
+  else if (job->state_value == IPP_JSTATE_COMPLETED && !strcmp(job->reasons, "processing-to-stop-point"))
+  {
+   /*
+    * Try to fix job reasons for older jobs finished before openprinting/cups #832 was applied...
+    */
+
+    ippSetString(job->attrs, &job->reasons, 0, "job-completed-successfully");
+  }
 
   job->impressions = ippFindAttribute(job->attrs, "job-impressions-completed", IPP_TAG_INTEGER);
   job->sheets      = ippFindAttribute(job->attrs, "job-media-sheets-completed", IPP_TAG_INTEGER);