database/sql/driver: fix name in comment

DefaultValueConverter => DefaultParameterConverter

Change-Id: I0e726cfdbf21a5e00928899d1fd9144f89dcb805
Reviewed-on: https://go-review.googlesource.com/c/go/+/555235
Reviewed-by: Ian Lance Taylor <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Shay Nehmad <[email protected]>
Reviewed-by: Carlos Amedee <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>

Author: flimzy

src/database/sql/driver/driver.go

@@ -415,7 +415,7 @@ type NamedValueChecker interface {
 type ColumnConverter interface {
 	// ColumnConverter returns a ValueConverter for the provided
 	// column index. If the type of a specific column isn't known
-	// or shouldn't be handled specially, DefaultValueConverter
+	// or shouldn't be handled specially, [DefaultParameterConverter]
 	// can be returned.
 	ColumnConverter(idx int) ValueConverter
 }