Adding i suffixes so cfail tests keep failing after suffix inference

src/test/compile-fail/binop-logic-int.rs

@@ -1,3 +1,3 @@
 // error-pattern:&& cannot be applied to type `int`
 
-fn main() { let x = 1 && 2; }
+fn main() { let x = 1i && 2i; }