Fix fallout from changes. In cases where stage0 compiler is needed, we

cannot use an `as` expression to coerce, so I used a one-off function
instead (this is a no-op in stage0, but in stage1+ it triggers
coercion from the fn pointer to the fn item type).

1 files changed, 1 insertions, 0 deletions

diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index a89a7970ae9..1cd58aee061 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -30,6 +30,7 @@ use iter::range;
 use kinds::Sized;
 use mem;
 use num::Int;
+use ops::FnMut;
 use option::Option;
 use option::Option::{None, Some};
 use ops::{Fn, FnMut};