Commitdd15870

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Correct a mistake in levenshtein_less_equal() multibyte character handling.

Spotted by Alexander Korotkov.Along the way, remove a misleading comment line.

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Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,6 @@`
`5`	`5`	`*`
`6`	`6`	`* Joe Conway <mail@joeconway.com>`
`7`	`7`	`*`
`8`		`- * contrib/fuzzystrmatch/fuzzystrmatch.c`
`9`	`8`	`* Copyright (c) 2001-2010, PostgreSQL Global Development Group`
`10`	`9`	`* ALL RIGHTS RESERVED;`
`11`	`10`	`*`
`@@ -378,7 +377,7 @@ levenshtein_internal(text s, text t,`
`378`	`377`	`prev[start_column]=max_d+1;`
`379`	`378`	`curr[start_column]=max_d+1;`
`380`	`379`	`if (start_column!=0)`
`381`		`-s_data+=n!=t_bytes+1 ?pg_mblen(s_data) :1;`
	`380`	`+s_data+=s_char_len!=NULL ?s_char_len[i-1] :1;`
`382`	`381`	`start_column++;`
`383`	`382`	`}`
`384`	`383`

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