Modified the .dist command to display exact distances, too.

--HG--
branch : trunk

sql/updates/7306_world_trinity_string.sql

@@ -0,0 +1 @@
+UPDATE `trinity_string` SET `content_default` = 'The distance is: (3D) %f (2D) %f (Exact 3D) %f (Exact 2D) %f yards.' WHERE `entry`=503;