include AsciiExt in tests

1011X · 1011X · commit 8654738260e8 · 2018-03-12T01:04:51.000-04:00
diff --git a/src/libcore/tests/ascii.rs b/src/libcore/tests/ascii.rs
@@ -8,7 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use char::from_u32;
+use core::char::from_u32;
+use std::ascii::AsciiExt;
 
 #[test]
 fn test_is_ascii() {
