Fix error handling in renderStatic

Fixes #60

handlers_test.go

@@ -57,7 +57,7 @@ func createTemporaryRouter(t *testing.T) (*mux.Router, *rushlink) {
 		fs:      fileStore,
 		rootURL: rootURL,
 	}
-	return CreateMainRouter(&rl, true), &rl
+	return CreateMainRouter(&rl), &rl
 }
 
 // checkStatusCode checks whether the status code from a recorded response is equal
@@ -150,7 +150,7 @@ func TestIssue53(t *testing.T) {
 func TestIssue60(t *testing.T) {
 	srv, _ := createTemporaryRouter(t)
 
-	// Put a URL with a fragment identifier into the database.
+	// Request a nonexistent static file
 	req, err := http.NewRequest("GET", "/css/nonexistent_file.css", nil)
 	if err != nil {
 		t.Fatal(err)