[PATCH v2 0/3] MR7793: sane.ds: Some clean ups.

[Dmitry Timoshkov (＠dmitry)]

Using enum { buf_len, buf_count } also looks strange, leave it for now.

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  v2: sane.ds: Use sizeof() instead of hard-coded values, avoid zero initializing local variables when not necessary.
      sane.ds: Clarify how SANE mode names map to ICAP_PIXELTYPE values.
      sane.ds: Change return type of sane_categorize_value() to void.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7793