updated compile-fail tests

src/test/compile-fail/E0261.rs

@@ -9,9 +9,11 @@
 // except according to those terms.
 
 fn foo(x: &'a str) { } //~ ERROR E0261
+                       //~| undeclared lifetime
 
 struct Foo {
     x: &'a str, //~ ERROR E0261
+                //~| undeclared lifetime
 }
 
 fn main() {}

src/test/compile-fail/E0262.rs

@@ -9,5 +9,6 @@
 // except according to those terms.
 
 fn foo<'static>(x: &'static str) { } //~ ERROR E0262
+                                     //~| 'static is a reserved lifetime name
 
 fn main() {}