global: Make savefilename pub

The bundles code is going to want this.

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

diff --git a/src/global.rs b/src/global.rs
index 3b7ff0b3cce6d01fdd21c234a839d671b54cae65..d7382fcc20606b2455ea1f1a190d0b91b1ca8bbb 100644 (file)
--- a/src/global.rs
+++ b/src/global.rs
@@ -940,7 +940,8 @@ enum SavefilenameParseResult {
   },
 }
 
-fn savefilename(name: &InstanceName, prefix: &str, suffix: &str) -> String {
+pub fn savefilename(name: &InstanceName, prefix: &str, suffix: &str)
+                    -> String {
   [ config().save_dir().as_str(), &"/", prefix ]
     .iter().map(Deref::deref)
     .chain(iter::once( name.to_string().as_str() ))