fix "make check"

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/zcoord/zcoord.rs b/zcoord/zcoord.rs
index cf47a3c2bff8fda6292117f7778d6a12f447fe7c..50804a852fb12e30c5e334b803c9f0f67812cf22 100644 (file)
--- a/zcoord/zcoord.rs
+++ b/zcoord/zcoord.rs
@@ -744,6 +744,7 @@ mod innards {
 
 #[cfg(test)]
 mod test {
+  use crate::misc::default;
   use super::*;
   use std::mem;