make shareinput_Xslice_dsm_handle_ptr and shareinput_Xslice_hash non-static

[shmiwy]

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Change logs

Some extension need to use these variables, so it's not necessary to set them to static here.

Why are the changes needed?

Does this PR introduce any user-facing change?

How was this patch tested?

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[my-ship-it]

LGTM