Small fix for SDR csv output.

This patch separates the sensor reading and it's unit
(Volts, RPM etc.) into two columns.

This simplifies feeding the readings into other
utilities that expect pure numeric input.

From Fredrik Öhrn

ipmitool/lib/ipmi_sdr.c

@@ -476,8 +476,14 @@ ipmi_sdr_print_sensors(struct ipmi_intf * intf, int do_unit)
 			}
 			printf("%s", sval);
 
-			if (do_unit && validread)
-				printf(" %s", unitstr);
+			if (validread) {
+				if (csv_output)
+					printf(",");
+				else
+					printf(" ");
+				if (do_unit)
+					printf("%s", unitstr);
+			}
 
 			if (csv_output)
 				printf(",");