[#MDEV-21908] cmake 3.17.0 warning rocksdb

Got the below warning today while compiling 10.5 with the latest greatest CMake 3.17rc
(downloads available on the cmake download side)

Maybe it fixed in the mainline, I did not check. Anyway, something needs to be done about it
at some point.

CMake Warning (dev) at C:/Program Files/CMake/share/cmake-3.17/Modules/FindPackageHandleStandardArgs.cmake:272 (message):

  The package name passed to `find_package_handle_standard_args` (bzip2) does

  not match the name of the calling package (BZIP2).  This can lead to

  problems in calling code that expects `find_package` result variables

  (e.g., `_FOUND`) to follow a certain pattern.

Call Stack (most recent call first):

  storage/rocksdb/rocksdb/cmake/modules/Findbzip2.cmake:17 (find_package_handle_standard_args)

  storage/rocksdb/build_rocksdb.cmake:39 (FIND_PACKAGE)

  storage/rocksdb/CMakeLists.txt:144 (INCLUDE)

[MDEV-21908] cmake 3.17.0 warning rocksdb Created: 2020-03-10 Updated: 2022-08-04
Status:	Open
Project:	MariaDB Server
Component/s:	Compiling, Storage Engine - RocksDB
Affects Version/s:	10.2, 10.3, 10.4, 10.5
Fix Version/s:	10.3