Update E0010 to use the new format

For https://github.com/rust-lang/rust/issues/35194

src/test/compile-fail/E0010.rs

@@ -11,5 +11,6 @@
 #![feature(box_syntax)]
 
 const CON : Box<i32> = box 0; //~ ERROR E0010
+                              //~| NOTE allocation not allowed in
 
 fn main() {}