Cleanup: replace UNUSED macro with commented args in C++ code

This is the conventional way of dealing with unused arguments in C++,
since it works on all compilers.

Regex find and replace: `UNUSED\((\w+)\)` -> `/*$1*/`

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/draw/engines/image/image_engine.cc b/source/blender/draw/engines/image/image_engine.cc
index a1a1de328f4..a2aef98a2b6 100644
--- a/source/blender/draw/engines/image/image_engine.cc
+++ b/source/blender/draw/engines/image/image_engine.cc
@@ -150,7 +150,7 @@ static void IMAGE_cache_init(void *vedata)
   image_engine.cache_populate();
 }
 
-static void IMAGE_cache_populate(void *UNUSED(vedata), Object *UNUSED(ob))
+static void IMAGE_cache_populate(void * /*vedata*/, Object * /*ob*/)
 {
   /* Function intentional left empty. `cache_populate` is required to be implemented. */
 }