interfacebloat: fix configuration loading (#3194)

Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>

pkg/config/linters_settings.go

@@ -62,6 +62,9 @@ var defaultLintersSettings = LintersSettings{
 		MaxDeclLines: 1,
 		MaxDeclChars: 30,
 	},
+	InterfaceBloat: InterfaceBloatSettings{
+		Max: 10,
+	},
 	Lll: LllSettings{
 		LineLength: 120,
 		TabWidth:   1,

pkg/golinters/interfacebloat.go

@@ -11,10 +11,12 @@ import (
 func NewInterfaceBloat(settings *config.InterfaceBloatSettings) *goanalysis.Linter {
 	a := analyzer.New()
 
-	cfgMap := make(map[string]map[string]interface{})
+	var cfg map[string]map[string]interface{}
 	if settings != nil {
-		cfgMap[a.Name] = map[string]interface{}{
+		cfg = map[string]map[string]interface{}{
+			a.Name: {
 				analyzer.InterfaceMaxMethodsFlag: settings.Max,
+			},
 		}
 	}
 
@@ -22,6 +24,6 @@ func NewInterfaceBloat(settings *config.InterfaceBloatSettings) *goanalysis.Lint
 		a.Name,
 		a.Doc,
 		[]*analysis.Analyzer{a},
-		nil,
+		cfg,
 	).WithLoadMode(goanalysis.LoadModeSyntax)
 }