o fixed previous fix for elan thread hanging slurmd

src/slurmd/elan_interconnect.c

@@ -142,7 +142,6 @@ static void *neterr_thr(void *arg)
 			goto fail;
 		}
 		info("Warning: Elan error resolver thread already running");
-		return NULL;
 	}
 
 	/* 
@@ -160,6 +159,8 @@ static void *neterr_thr(void *arg)
 	 */
 	elan3_run_neterr_svc();
 
+	return NULL;
+
    fail:
 	slurm_mutex_lock(&neterr_mutex);
 	neterr_retval = SLURM_FAILURE;