Update PBRLighting.frag

not sure why build failed after last commit that was only changing comments. resubmitting to try again...

jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag

@@ -10,8 +10,7 @@ vec2 newTexCoord;
     uniform float m_AlphaDiscardThreshold;
 #endif
 
-varying vec3 wPosition;    
-
+varying vec3 wPosition;
 varying vec3 wNormal;
 varying vec4 wTangent;