Convert tabs to spaces.

include/osgSim/Impostor

@@ -79,7 +79,7 @@ class OSGSIM_EXPORT Impostor : public osg::LOD
         /** Set the Impostor threshold distance.
           * For eye points further than this threshold the Imposter is used if appropriate,
           * otherwise the LOD children as chosen as per a standard LOD node.
-		*/
+        */
         inline void setImpostorThreshold(float distance) { _impostorThreshold = distance; }
         
         /* Get the Impostor threshold distance. */

include/osgSim/ImpostorSprite

@@ -121,7 +121,7 @@ class OSGSIM_EXPORT ImpostorSprite : public osg::Drawable
         void setTexture(osg::Texture2D* tex,int s,int t);
         osg::Texture2D* getTexture() { return _texture; }
         const osg::Texture2D* getTexture() const { return _texture; }
-	
+    
         int s() const { return _s; }
         int t() const { return _t; }