[librsvg: 18/95] PropertyBagIter: remove an unused field

[Federico Mena Quintero <federico src gnome org>]

commit ccbe9efe8845f41ca95bbe0638899eb3959381de
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Feb 13 10:05:54 2018 -0600

    PropertyBagIter: remove an unused field

 rust/src/property_bag.rs | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)
---
diff --git a/rust/src/property_bag.rs b/rust/src/property_bag.rs
index 0f81a41b..53d6a2f0 100644
--- a/rust/src/property_bag.rs
+++ b/rust/src/property_bag.rs
@@ -13,10 +13,7 @@ pub struct PropertyBag<'a>(HashMap<&'a CStr, &'a CStr>);
 
 pub struct OwnedPropertyBag(HashMap<CString, CString>);
 
-pub struct PropertyBagIter<'a> {
-    pbag: &'a PropertyBag<'a>,
-    iter: hash_map::Iter<'a, &'a CStr, &'a CStr>
-}
+pub struct PropertyBagIter<'a>(hash_map::Iter<'a, &'a CStr, &'a CStr>);
 
 impl<'a> PropertyBag<'a> {
     pub unsafe fn new_from_key_value_pairs(pairs: *const *const libc::c_char) -> PropertyBag<'a> {
@@ -91,10 +88,7 @@ impl<'a> PropertyBag<'a> {
     }
 
     pub fn iter(&self) -> PropertyBagIter {
-        PropertyBagIter {
-            pbag: self,
-            iter: self.0.iter()
-        }
+        PropertyBagIter(self.0.iter())
     }
 }
 
@@ -102,7 +96,7 @@ impl<'a> Iterator for PropertyBagIter<'a> {
     type Item = (&'a str, &'a str);
 
     fn next(&mut self) -> Option<Self::Item> {
-        self.iter.next().map(|(k, v)| (k.to_str().unwrap(), v.to_str().unwrap()))
+        self.0.next().map(|(k, v)| (k.to_str().unwrap(), v.to_str().unwrap()))
     }
 }