alterSetpoint - check for auto or off mode

changed debug message

devicetypes/smartthings/ecobee-thermostat.src/ecobee-thermostat.groovy

@@ -655,6 +655,10 @@ void lowerSetpoint() {
 void alterSetpoint(temp) {
 
 	def mode = device.currentValue("thermostatMode")
+
+	if (mode == "off" || mode == "auto") {
+		log.warn "this mode: $mode does not allow alterSetpoint"
+	} else {
 		def heatingSetpoint = device.currentValue("heatingSetpoint")
 		def coolingSetpoint = device.currentValue("coolingSetpoint")
 		def deviceId = device.deviceNetworkId.split(/\./).last()
@@ -704,6 +708,7 @@ void alterSetpoint(temp) {
 			}
 		}
 		generateStatusEvent()
+	}
 }
 
 def generateStatusEvent() {