OpenBSD/uthum.c diff

Index: uthum.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/uthum.c,v
retrieving revision 1.23
diff -u -p -r1.23 uthum.c
--- uthum.c	8 May 2013 08:26:25 -0000	1.23
+++ uthum.c	31 Jul 2013 04:12:43 -0000
@@ -820,15 +820,19 @@ uthum_print_sensorinfo(struct uthum_soft
 		printf("type %s (temperature)",
 		    uthum_sensor_type_s[s->dev_type]);
 		if (s->cal_offset)
-			printf(", calibration offset %d.%d degC",
-			    s->cal_offset / 100, abs(s->cal_offset % 100));
+			printf(", calibration offset %c%d.%d degC",
+			    (s->cal_offset < 0) ? '-' : '+',
+			    abs(s->cal_offset / 100),
+			    abs(s->cal_offset % 100));
 		break;
 	case SENSOR_HUMIDITY:
 		printf("type %s (humidity)",
 		    uthum_sensor_type_s[s->dev_type]);
 		if (s->cal_offset)
-			printf("calibration offset %d.%d %%RH",
-			    s->cal_offset / 100, abs(s->cal_offset % 100));
+			printf("calibration offset %c%d.%d %%RH",
+			    (s->cal_offset < 0) ? '-' : '+',
+			    abs(s->cal_offset / 100),
+			    abs(s->cal_offset % 100));
 		break;
 	default:
 		printf("unknown");