fixed javadoc in PSSMShadowFilter

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9904 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/shadow/PssmShadowFilter.java

@@ -146,7 +146,7 @@ public class PssmShadowFilter extends Filter {
         return pssmRenderer.getLambda();
     }
 
-    /*
+    /**
      * Adjust the repartition of the different shadow maps in the shadow extend
      * usualy goes from 0.0 to 1.0
      * a low value give a more linear repartition resulting in a constant quality in the shadow over the extends, but near shadows could look very jagged