linters: add autofix for httpstatus

pkg/httpstatus/analyzer.go

@@ -2,9 +2,11 @@
 package httpstatus
 
 import (
+	"fmt"
 	"go/ast"
 	"go/constant"
 	"go/types"
+	"strconv"
 	"strings"
 
 	"golang.org/x/tools/go/analysis"
@@ -62,7 +64,19 @@ func NewAnalyzer(settings Settings) *analysis.Analyzer {
 					return
 				}
 
-				pass.Reportf(node.Pos(), "HTTP status code %d should use its integer literal", code)
+				pass.Report(analysis.Diagnostic{
+					Pos:     node.Pos(),
+					End:     node.End(),
+					Message: fmt.Sprintf("HTTP status code %d should use its integer literal", code),
+					SuggestedFixes: []analysis.SuggestedFix{{
+						Message: "Use the integer literal",
+						TextEdits: []analysis.TextEdit{{
+							Pos:     node.Pos(),
+							End:     node.End(),
+							NewText: []byte(strconv.Itoa(code)),
+						}},
+					}},
+				})
 			}
 
 			// Disallows sending non-typical response statuses