cmake: fix CMP0072 warning by prefering GLVND

test/CMakeLists.txt

@@ -44,6 +44,8 @@ endif()
 
 # CMake incorrectly detects opengl32.lib being present on MSVC ARM64
 if(NOT MSVC OR NOT CMAKE_GENERATOR_PLATFORM STREQUAL "ARM64")
+    # Prefer GLVND, if present
+    set(OpenGL_GL_PREFERENCE GLVND)
     find_package(OpenGL)
 endif()