Change waypoint/command storage to include options byte.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@1809 f9c3cf11-9bcb-44bc-f272-b75c42450872

libraries/AP_Common/AP_Common.h

@@ -140,6 +140,7 @@ static inline size_t strlcat_P(char *buffer, const prog_char_t *pstr, size_t buf
 
 struct Location {
 	uint8_t		id;					///< command id
+	uint8_t		options;			///< options bitmask (1<<0 = relative altitude)
 	uint8_t		p1;					///< param 1
 	int32_t		alt;				///< param 2 - Altitude in centimeters (meters * 100)
 	int32_t		lat;				///< param 3 - Lattitude * 10**7