[PATCH] Fix incorrect sign-extension of pointer in 32-bit acl __to_entry

[David Allsopp]

I have some code where the acl_t returned by get_file_acl is allocated at
0x80038248. As a result the acl_entry_t generated by acl_get_entry has an
"index" of -1, since the pointer was sign-extended to 64-bits.

My fix is trivial and simply casts the pointer to uintptr_t first.

All best,


David
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