(svn r3597) Miscellaneous (I like that word) changes: Fix some indentation, add consts, reduce indentation level by short-circuit logic, convert if cascades to switch, whitespace, bracing, plus some minor stuff

terraform_gui.c

@@ -63,7 +63,7 @@ static void GenerateDesertArea(TileIndex end, TileIndex start)
 	_generating_world = false;
 }
 
-/** Scenario editor command that generates desert areas */
+/** Scenario editor command that generates rocky areas */
 static void GenerateRockyArea(TileIndex end, TileIndex start)
 {
 	int size_x, size_y;