Shadows Fixed issue where Edge filtereing was not properly initialized and was causing a crash when compiling the shader

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10518 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

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

@@ -197,10 +197,6 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
             throw new NullPointerException();
         }
 
-        if (this.edgeFilteringMode == filterMode) {
-            return;
-        }
-
         this.edgeFilteringMode = filterMode;
         postshadowMat.setInt("FilterMode", filterMode.getMaterialParamValue());
         postshadowMat.setFloat("PCFEdge", edgesThickness);