Report configuration file read errors.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5638 7894878c-1315-0410-8ee3-d5d059ff63e0

lib/init.c

@@ -88,6 +88,9 @@ int sensors_init(FILE *input)
 				goto exit_cleanup;
 			}
 			fclose(input);
+		} else if (errno != ENOENT) {
+			sensors_parse_error(strerror(errno), 0);
+			goto exit_cleanup;
 		}
 	}