Fix build hack. Fixes #434.

nsf · nsf · commit e5759f27cd3c · 2017-03-01T11:40:45.000+05:00
diff --git a/type_alias_build_hack_19.go b/type_alias_build_hack_19.go
@@ -1,4 +1,4 @@
-// +build go1.9 go1.8.typealias
+// +build go1.9,go1.8.typealias
 
 package main
 
