Fix compiler issue on windows platform

Introduced by eevee-next world reflective light.

source/blender/draw/engines/eevee_next/eevee_reflection_probes.cc

@@ -9,12 +9,13 @@ namespace blender::eevee {
 void ReflectionProbeModule::init()
 {
   if (!initialized_) {
+    const int max_mipmap_levels = log(max_resolution_) + 1;
     cubemaps_tx_.ensure_cube_array(GPU_RGBA16F,
                                    max_resolution_,
                                    max_probes_,
                                    GPU_TEXTURE_USAGE_SHADER_READ | GPU_TEXTURE_USAGE_ATTACHMENT,
                                    NULL,
-                                   max_mipmap_levels_);
+                                   max_mipmap_levels);
     GPU_texture_mipmap_mode(cubemaps_tx_, true, true);
     initialized_ = true;
   }

source/blender/draw/engines/eevee_next/eevee_reflection_probes.hh

@@ -35,7 +35,6 @@ class ReflectionProbeModule {
    * Must be a power of two; intension to be used as a cubemap atlas.
    */
   static constexpr int max_resolution_ = 2048;
-  static constexpr int max_mipmap_levels_ = log(max_resolution_) + 1;
 
   Instance &instance_;