[backport] Workaround Apple clang issue. (dmlc#9615) (dmlc#9636)

Author: trivialfis

src/common/io.h

@@ -384,7 +384,8 @@ class PrivateMmapConstStream : public AlignedResourceReadStream {
    * @param length    See the `length` parameter of `mmap` for details.
    */
   explicit PrivateMmapConstStream(std::string path, std::size_t offset, std::size_t length)
-      : AlignedResourceReadStream{std::make_shared<MmapResource>(path, offset, length)} {}
+      : AlignedResourceReadStream{std::shared_ptr<MmapResource>{  // NOLINT
+            new MmapResource{std::move(path), offset, length}}} {}
   ~PrivateMmapConstStream() noexcept(false) override;
 };