config: use git_config_string() for core.checkRoundTripEncoding
Since this code path was recently converted to check for a NULL value, it now behaves exactly like git_config_string(). We can shorten the code a bit by using that helper. Note that git_config_string() takes a const pointer, but our storage variable is non-const. We're better off making this "const", though, since the default value points to a string literal (and thus it would be an error if anybody tried to write to it). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano

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@ -92,7 +92,7 @@ void convert_attrs(struct index_state *istate,
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struct conv_attrs *ca, const char *path);
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extern enum eol core_eol;
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extern char *check_roundtrip_encoding;
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extern const char *check_roundtrip_encoding;
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const char *get_cached_convert_stats_ascii(struct index_state *istate,
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const char *path);
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const char *get_wt_convert_stats_ascii(const char *path);
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