message: Unquote foreach list argument
diff: @@ -84,7 +84,7 @@ if(RANGE_V3_HEADER_CHECKS)
  list(REMOVE_ITEM RANGE_V3_PUBLIC_HEADERS std/detail/associated_types.hpp)
  # Deprecated headers
  if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
  - foreach(header "${RANGE_V3_PUBLIC_HEADERS}")
  + foreach(header ${RANGE_V3_PUBLIC_HEADERS})
  file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/${header}" is_deprecated
  LIMIT_COUNT 1
  REGEX ".*RANGES_DEPRECATED_HEADER.*")
  