logging: Unified to remove random eprint calls

src/locale.rs

@@ -8,6 +8,7 @@
 
 use std::cmp;
 use std::ffi::{ CStr, CString };
+use std::fmt;
 use std::os::raw::c_char;
 use std::ptr;
 use std::str::Utf8Error;
@@ -47,6 +48,12 @@ pub enum Error {
     NoInfo,
 }
 
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&self, f)
+    }
+}
+
 pub struct XkbInfo(c::GnomeXkbInfo);
 
 impl XkbInfo {