fixup! job-list: add job db

Author: chu11

src/modules/job-list/job_db.c

@@ -424,10 +424,10 @@ int job_db_store (struct job_db_ctx *ctx, struct job *job)
          * written out on occasion leading to a SQLITE_CONSTRAINT error.
          * We accept this and move on.
          */
-        int err = sqlite3_errcode (ctx->db);
-        if (err == SQLITE_CONSTRAINT)
+        int errcode = sqlite3_errcode (ctx->db);
+        if (errcode == SQLITE_CONSTRAINT)
             break;
-        else if (err == SQLITE_BUSY) {
+        else if (errcode == SQLITE_BUSY) {
             /* In the rare case this cannot complete within the normal
              * busytimeout, we elect to spin till it completes.  This
              * may need to be revisited in the future: */