Check error returned for Body.Close in defer

This resolves a lint error

.github/workflows/golangci-lint.yml

@@ -19,5 +19,5 @@ jobs:
         uses: golangci/golangci-lint-action@3cfe3a4abbb849e10058ce4af15d205b6da42804 # v3.7.1
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.55.0
+          version: v1.57.2
           args: --timeout 5m

client/client.go

@@ -24,6 +24,7 @@ import (
 	"net/url"
 	"strconv"
 
+	"github.com/golang/glog"
 	"github.com/transparency-dev/distributor/api"
 )
 
@@ -104,7 +105,12 @@ func (d *RestDistributor) fetchData(u *url.URL) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() {
+		if err := resp.Body.Close(); err != nil {
+			glog.Errorf("Failed to close body: %v", err)
+		}
+	}()
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read body: %v", err)