Commitd40abd5

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Fix memory allocation mistake

The previous code was allocating more memory than necessary becausethe formula used the wrong data type.Reported-by: Jehan-Guillaume de Rorthais <jgdr@dalibo.com>Discussion:https://www.postgresql.org/message-id/20191105172918.3e32a446@firost

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Original file line number	Diff line number	Diff line change
`@@ -267,7 +267,7 @@ logicalrep_rel_open(LogicalRepRelId remoteid, LOCKMODE lockmode)`
`267`	`267`	`*/`
`268`	`268`	`desc=RelationGetDescr(entry->localrel);`
`269`	`269`	`oldctx=MemoryContextSwitchTo(LogicalRepRelMapContext);`
`270`		`-entry->attrmap=palloc(desc->natts*sizeof(int));`
	`270`	`+entry->attrmap=palloc(desc->natts*sizeof(AttrNumber));`
`271`	`271`	`MemoryContextSwitchTo(oldctx);`
`272`	`272`
`273`	`273`	`found=0;`

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