Remove use of reverted std::ffi::c_char

diff --git a/library/alloc/tests/c_str.rs b/library/alloc/tests/c_str.rs
index 8fbb10e1d5cb6745e0d4f986782e3d653104e155..4a5817939567b8690b3841c9d611999bda8571d3 100644 (file)
--- a/library/alloc/tests/c_str.rs
+++ b/library/alloc/tests/c_str.rs
@@ -1,5 +1,6 @@
 use std::borrow::Cow::{Borrowed, Owned};
-use std::ffi::{c_char, CStr};
+use std::ffi::CStr;
+use std::os::raw::c_char;
 
 #[test]
 fn to_str() {