all: Fix go vet warnings in go1.11

Change-Id: I2e36c1a1cad5e9642ec3f7a686170e8d3bb11fb8
diff --git a/cmd/zoekt-mirror-gitiles/main.go b/cmd/zoekt-mirror-gitiles/main.go
index d4e7aae..827edbb 100644
--- a/cmd/zoekt-mirror-gitiles/main.go
+++ b/cmd/zoekt-mirror-gitiles/main.go
@@ -52,7 +52,7 @@
 	case "cgit":
 		crawler = getCGitRepos
 	default:
-		log.Fatalf("unknown host type %q", hostType)
+		log.Fatalf("unknown host type %q", *hostType)
 	}
 
 	rootURL, err := url.Parse(flag.Arg(0))
diff --git a/cmd/zoekt-repo-index/main.go b/cmd/zoekt-repo-index/main.go
index 3f2d097..34052a0 100644
--- a/cmd/zoekt-repo-index/main.go
+++ b/cmd/zoekt-repo-index/main.go
@@ -160,7 +160,7 @@
 	opts.SetDefaults()
 	baseURL, err := url.Parse(*baseURLStr)
 	if err != nil {
-		log.Fatalf("Parse baseURL %q: %v", baseURLStr, err)
+		log.Fatalf("Parse baseURL %q: %v", *baseURLStr, err)
 	}
 
 	branches, err := parseBranches(*manifestRepoURL, *manifestRevPrefix, repoCache, flag.Args())