Merge pull request thotro#176 from yuhki50/fix-type

Fix type

Author: thotro

src/DW1000Device.h

@@ -53,7 +53,7 @@ class DW1000Device {
 	void setFPPower(float power);
 	void setQuality(float quality);
 
-	void setReplyDelayTime(int16_t time) { _replyDelayTimeUS = time; }
+	void setReplyDelayTime(uint16_t time) { _replyDelayTimeUS = time; }
 
 	void setIndex(int8_t index) { _index = index; }