salsa20-core: Address word_idx
-related warning (closes #23)
#27
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As far as I can tell setting
word_idx
here accomplishes nothing as it's never read in the remainder of the function.It was originally added in this commit, and as far as I can tell has always been a spurious assignment:
8572ba4#diff-e39e303466eee7b7ea454eb1e2faec3cR94
cc @emc2