Description: Set cmake_policy in SFMLConfig.cmake
 `SFMLConfig.cmake` uses the `if(... IN_LIST` feature which requires
 policy `CMP0057` to be enabled (added in CMake 3.3). If an application
 uses `find_package(SFML)` with a minimum CMake version set to less
 than `3.3`, the `IN_LIST` lines cause a CMake error.
 .
 Fix this by setting the minimum CMake policy we require in
 `SFMLConfig.cmake`. CMake keeps a policy stack so this does not affect
 the application's policy.
Author: James Cowgill <jcowgill@debian.org>
Forwarded: https://github.com/SFML/SFML/pull/3511
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/cmake/SFMLConfig.cmake.in
+++ b/cmake/SFMLConfig.cmake.in
@@ -63,6 +63,8 @@
 #   add_executable(myapp ...)
 #   target_link_libraries(myapp PRIVATE SFML::Graphics SFML::Audio)
 
+cmake_policy(VERSION 3.22...3.31)
+
 if(NOT SFML_FIND_COMPONENTS)
     message(FATAL_ERROR "find_package(SFML) called with no component")
 endif()