Rename internal variable: repo --> repoName

Signed-off-by: Andreas Lindhé <andreas@lindhe.io>

cmd/helm/repo_list.go

@@ -108,8 +108,8 @@ func filterRepos(repos []*repo.Entry, ignoredRepoNames []string) []*repo.Entry {
 	filteredRepos := make([]*repo.Entry, 0)
 
 	ignored := make(map[string]bool, len(ignoredRepoNames))
-	for _, repo := range ignoredRepoNames {
-		ignored[repo] = true
+	for _, repoName := range ignoredRepoNames {
+		ignored[repoName] = true
 	}
 
 	for _, repo := range repos {