minor formatting edits

jme3-core/src/main/resources/Common/ShaderLib/module/pbrlighting/PBRLightingUtils.glsllib

@@ -236,7 +236,7 @@
             Math_lengthAndNormalize(light.vector,dist,L);
 
             float invRange=light.invRadius; // position.w
-            const float light_threshold=0.01;
+            const float light_threshold = 0.01;
 
             #ifdef SRGB
                 light.fallOff = (1.0 - invRange * dist) / (1.0 + invRange * dist * dist); // lightDir.w
@@ -607,7 +607,7 @@
                 #endfor
 
                 #if NB_PROBES > 1
-                    float probeWeightSum= 0.0;
+                    float probeWeightSum = 0.0;
                     #for i=1..4 ( #if NB_PROBES >= $i $0 #endif )
                         float probeWeight$i = ((1.0 - (probeNdf$i / probeNdfSum)) / (NB_PROBES - 1)) *  ( probeInvNdf$i / invProbeNdfSum);
                         probeWeightSum += probeWeight$i;