Merge pull request #884 from RayTracing/fix-831

CHANGELOG += #831: book3 listing 11 fix

Author: hollasch

CHANGELOG.md

@@ -35,6 +35,7 @@ Change Log -- Ray Tracing in One Weekend
   - Fix: Fixed `bvh_node` constructor definition signature (#872)
 
 ### The Rest of Your Life
+  - Fix: Variable `direction` was used without being defined in listing 11 (#831)
 
 
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