range-diff: mark pointers as const
The contents pointed to by `diffopt` and `other_arg` should not be modified. Mark these as `const` to indicate this. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano

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@ -13,7 +13,7 @@
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*/
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int show_range_diff(const char *range1, const char *range2,
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int creation_factor, int dual_color,
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struct diff_options *diffopt,
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struct argv_array *other_arg);
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const struct diff_options *diffopt,
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const struct argv_array *other_arg);
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#endif
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