lib: change wording in lib/internal/child_process comment

lib: change wording in lib/internal/child_process comment · nodejs/node@21e399b

Original file line number	Diff line number	Diff line change
`@@ -739,7 +739,7 @@ function setupChannel(target, channel, serializationMode) {`
`739`	`739`	`// Non-serializable messages should not reach the remote`
`740`	`740`	`// end point; as any failure in the stringification there`
`741`	`741`	`// will result in error message that is weakly consumable.`
`742`		`-// So perform a sanity check on message prior to sending.`
	`742`	`+// So perform a final check on message prior to sending.`
`743`	`743`	`if (typeof message !== 'string' &&`
`744`	`744`	`typeof message !== 'object' &&`
`745`	`745`	`typeof message !== 'number' &&`