some fixes to please my moulinette (#1232)

Signed-off-by: Pierre Fenoll <pierrefenoll@gmail.com>

Author: fenollp

openapi3/origin.go

@@ -94,12 +94,12 @@ func originFromSeq(s []any) *Origin {
 			}
 			count := toInt(s[idx])
 			idx++
-			locs := make([]Location, count)
+			locs := make([]Location, 0, count)
 			for j := 0; j < count && idx+2 < len(s); j++ {
 				name, _ := s[idx].(string)
 				delta := toInt(s[idx+1])
 				col := toInt(s[idx+2])
-				locs[j] = Location{File: file, Line: keyLine + delta, Column: col, Name: name}
+				locs = append(locs, Location{File: file, Line: keyLine + delta, Column: col, Name: name})
 				idx += 3
 			}
 			o.Sequences[sname] = locs

openapi3filter/req_resp_decoder.go

@@ -1142,7 +1142,7 @@ func pathFromKeys(kk []string) []any {
 // The function returns an error when an error happened while parse array's items.
 func parseArray(raw []string, schemaRef *openapi3.SchemaRef) ([]any, error) {
 	if schemaRef.Value.Items == nil || schemaRef.Value.Items.Value == nil {
-		return nil, fmt.Errorf("array items schema is required for decoding")
+		return nil, errors.New("array items schema is required for decoding")
 	}
 	var value []any
 	for i, v := range raw {