Update PBRLighting.j3md

jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.j3md

@@ -139,7 +139,7 @@ MaterialDef PBR Lighting {
         Float ExpFog
         Float ExpSqFog
 
-        Texture2D SunExposureMap
+        Texture2D SunLightExposureMap
         Boolean UseVertexColorsAsSunIntensity
         Float StaticSunIntensity
         Boolean BrightenIndoorShadows  //should be set true when shadows are enabled, in order to prevent areas with low SunExposure from being way too dark when shadows are cast
@@ -205,7 +205,7 @@ MaterialDef PBR Lighting {
             NUM_MORPH_TARGETS: NumberOfMorphTargets
             NUM_TARGETS_BUFFERS: NumberOfTargetsBuffers
             HORIZON_FADE: HorizonFade
-            SUNEXPOSUREMAP : SunExposureMap
+            EXPOSUREMAP : SunLightExposureMap
             USE_VERTEX_COLORS_AS_SUN_INTENSITY : UseVertexColorsAsSunIntensity
             STATIC_SUN_INTENSITY : StaticSunIntensity
             BRIGHTEN_INDOOR_SHADOWS : BrightenIndoorShadows