Local missions should list distances in AU rather than Ly

In table of all player's accepted missions, display distance for
local deliveries in AU, and interstellar in LY.

data/pigui/modules/info-view/04-missions.lua

@@ -102,13 +102,27 @@ local function makeMissionRows()
 		end
 
 		local playerSystem = Game.system or Game.player:GetHyperspaceTarget()
-		local dist = playerSystem:DistanceTo(mission.location)
 		local days = math.max(0, (mission.due - Game.time) / (24*60*60))
 
+		-- Use AU for interplanetary, LY for interstellar distances
+		local dist, dist_display
+		if mission.location:IsSameSystem(playerSystem.path) then
+			if mission.location:IsBodyPath() then
+				local body = mission.location:GetSystemBody().body
+				dist = Game.player:GetPositionRelTo(body):length()
+				dist_display = "\n" .. ui.Format.Distance(dist)
+			else
+				dist_display = "\n-"
+			end
+		else
+			dist = playerSystem:DistanceTo(mission.location)
+			dist_display = string.format("\n%.2f %s", dist, l.LY)
+		end
+
 		local row = {
 			mission:GetTypeDescription(),
 			mission.client.name,
-			locationName .. string.format("\n%.2f %s", dist, l.LY),
+			locationName .. dist_display,
 			ui.Format.Date(mission.due) .."\n".. string.format(l.D_DAYS_LEFT, days),
 			ui.Format.Money(mission.reward),
 		}