Fix error pattern

Author: Kimundi

tests/compile-fail/static_is_sized.rs

@@ -1,10 +1,11 @@
+// error-pattern:the trait bound `str: std::marker::Sized` is not satisfied
 #[macro_use]
 extern crate lazy_static;
 
 lazy_static! {
     pub static ref FOO: str = panic!();
 }
-//^ ERROR `str` does not have a constant size known at compile-time
+
 
 fn main() {
 }