Correct indentation

Author: Soyka-zz

osi_object.proto

@@ -51,9 +51,9 @@ message Vehicle
     /// Field need not be set if ego_vehicle is set to false.
     optional Identifier driver = 10;
 
-	/// The vector pointing from the bounding box center point (base.position) to the middle (in x, y and z) 
-	/// of the front axle under neutral load conditions. In object coordinates.    		
-	optional Vector3d bbcenter_to_front = 11;
+    /// The vector pointing from the bounding box center point (base.position) to the middle (in x, y and z)
+    /// of the front axle under neutral load conditions. In object coordinates.
+    optional Vector3d bbcenter_to_front = 11;
 
 
     /// Definition of vehicle types.