Avoid eliding lifetimes to make rustc happy

error: hiding a lifetime that's elided elsewhere is confusing
   --> cryptoki/src/session/object_management.rs:227:25
    |
227 |     pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator> {
    |                         ^^^^^ the lifetime is elided here        -------------------- the same lifetime is hidden here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
    = note: `-D mismatched-lifetime-syntaxes` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(mismatched_lifetime_syntaxes)]`
help: use `'_` for type paths
    |
227 |     pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator<'_>> {
    |                                                                                      ++++

Signed-off-by: Jakub Jelen <[email protected]>

Author: Jakuje

cryptoki/src/session/object_management.rs

@@ -224,7 +224,7 @@ impl Session {
     /// * [`ObjectHandleIterator`] for more information on how to use the iterator
     /// * [`Session::iter_objects_with_cache_size`] for a way to specify the cache size
     #[inline(always)]
-    pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator> {
+    pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator<'_>> {
         self.iter_objects_with_cache_size(template, MAX_OBJECT_COUNT)
     }
 
@@ -248,7 +248,7 @@ impl Session {
         &self,
         template: &[Attribute],
         cache_size: NonZeroUsize,
-    ) -> Result<ObjectHandleIterator> {
+    ) -> Result<ObjectHandleIterator<'_>> {
         let template: Vec<CK_ATTRIBUTE> = template.iter().map(Into::into).collect();
         ObjectHandleIterator::new(self, template, cache_size)
     }