Bugfix in _ttail_search_closest_stdin()

src/ttail_search_std.c

 					fprintf(stderr, "\n");
 				}
 				ttail_strict_msg();
+				return -1;
 			}
+			rd_sz = ttail_std_getline(t);
 			continue;
 		}
 		ret = ttail_tm_cmp(&tm, &(t->date_min));