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Make our perfect hash functions be valid C++.

While C is happy to cast "const void *" to "const unsigned char *"silently, C++ insists on an explicit cast. Since we put thesefunctions into header files, cpluspluscheck whines about that.Add the cast to pacify it.Discussion:https://postgr.es/m/b517ec3918d645eb950505eac8dd434e@gaz-is.ru

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src/tools
- PerfectHash.pm

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`‎src/tools/PerfectHash.pm`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -131,7 +131,7 @@ sub generate_hash_function`
`131`	`131`	`}`
`132`	`132`	`$f .=sprintf"\n"if ($nhash % 8 != 0);`
`133`	`133`	`$f .=sprintf"\t};\n\n";`
`134`		`-$f .=sprintf"\tconst unsigned char *k = key;\n";`
	`134`	`+$f .=sprintf"\tconst unsigned char k =(const unsigned char )key;\n";`
`135`	`135`	`$f .=sprintf"\tsize_t\t\tkeylen =%d;\n",$options{fixed_key_length}`
`136`	`136`	`if (defined$options{fixed_key_length});`
`137`	`137`	`$f .=sprintf"\tuint32\t\ta =%d;\n",$hash_seed1;`

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Commit9e58705

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`‎src/tools/PerfectHash.pm`

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