Formatting; avoid D3D11 compiler warning

Assets/ScriptableRenderLoop/HDRenderLoop/Shaders/Lighting/SinglePass/SinglePassLoop.hlsl

     diffuseLighting  = float4(0.0, 0.0, 0.0, 0.0);
     specularLighting = float4(0.0, 0.0, 0.0, 0.0);
 
-    for (int i = 0; i < _PunctualLightCount; ++i)
+    int i = 0; // Declare once to avoid the D3D11 compiler warning.
+
+    for (i = 0; i < _PunctualLightCount; ++i)
-        float4 localDiffuseLighting;
-        float4 localSpecularLighting;
-        EvaluateBSDF_Punctual(context, V, positionWS, prelightData, _PunctualLightList[i], bsdfData, localDiffuseLighting, localSpecularLighting);
-        diffuseLighting += localDiffuseLighting;
+        float4 localDiffuseLighting, localSpecularLighting;
+
+        EvaluateBSDF_Punctual(context, V, positionWS, prelightData, _PunctualLightList[i], bsdfData,
+                              localDiffuseLighting, localSpecularLighting);
+
+        diffuseLighting  += localDiffuseLighting;
-    for (int i = 0; i < _AreaLightCount; ++i)
+    for (i = 0; i < _AreaLightCount; ++i)
-        EvaluateBSDF_Area(context, V, positionWS, prelightData, _AreaLightList[i], bsdfData, localDiffuseLighting, localSpecularLighting);
+        EvaluateBSDF_Area(context, V, positionWS, prelightData, _AreaLightList[i], bsdfData,
+                          localDiffuseLighting, localSpecularLighting);
 
         diffuseLighting  += localDiffuseLighting;
         specularLighting += localSpecularLighting;
     float4 iblSpecularLighting = float4(0.0, 0.0, 0.0, 0.0);
 
-    for (int j = 0; j < _EnvLightCount; ++j)
+    for (i = 0; i < _EnvLightCount; ++i)
-        float4 localDiffuseLighting;
-        float4 localSpecularLighting;
+        float4 localDiffuseLighting, localSpecularLighting;
-        EvaluateBSDF_Env(context, V, positionWS, prelightData, _EnvLightList[j], bsdfData, localDiffuseLighting, localSpecularLighting);
+        EvaluateBSDF_Env(context, V, positionWS, prelightData, _EnvLightList[i], bsdfData, localDiffuseLighting, localSpecularLighting);
         iblDiffuseLighting.rgb = lerp(iblDiffuseLighting.rgb, localDiffuseLighting.rgb, localDiffuseLighting.a); // Should be remove by the compiler if it is smart as all is constant 0
         iblSpecularLighting.rgb = lerp(iblSpecularLighting.rgb, localSpecularLighting.rgb, localSpecularLighting.a);
     }
     {
-        float4 localDiffuseLighting;
-        float4 localSpecularLighting;
+        float4 localDiffuseLighting, localSpecularLighting;
         context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_SKY;
         EvaluateBSDF_Env(context, V, positionWS, prelightData, _EnvLightSky, bsdfData, localDiffuseLighting, localSpecularLighting);
         iblDiffuseLighting.rgb = lerp(iblDiffuseLighting.rgb, localDiffuseLighting.rgb, localDiffuseLighting.a); // Should be remove by the compiler if it is smart as all is constant 0