tree: Rename `entry_copy` to `entry_dup`

include/git2/tree.h

@@ -76,7 +76,7 @@ GIT_INLINE(void) git_tree_free(git_tree *tree)
  *
  * IMPORTANT: This function is only needed for tree
  * entries owned by the user, such as the ones returned
- * by `git_tree_entry_copy`.
+ * by `git_tree_entry_dup`.
  *
  * @param entry The entry to free
  */
@@ -92,7 +92,7 @@ GIT_EXTERN(void) git_tree_entry_free(git_tree_entry *entry);
  * @param entry A tree entry to duplicate
  * @return a copy of the original entry
  */
-GIT_EXTERN(git_tree_entry *) git_tree_entry_copy(const git_tree_entry *entry);
+GIT_EXTERN(git_tree_entry *) git_tree_entry_dup(const git_tree_entry *entry);
 
 /**
  * Get the id of a tree.

src/tree.c

@@ -143,7 +143,7 @@ void git_tree_entry_free(git_tree_entry *entry)
 	git__free(entry);
 }
 
-git_tree_entry *git_tree_entry_copy(const git_tree_entry *entry)
+git_tree_entry *git_tree_entry_dup(const git_tree_entry *entry)
 {
 	size_t total_size;
 	git_tree_entry *copy;
@@ -739,7 +739,7 @@ int git_tree_entry_bypath(
 	case '\0':
 		/* If there are no more components in the path, return
 		 * this entry */
-		*entry_out = git_tree_entry_copy(entry);
+		*entry_out = git_tree_entry_dup(entry);
 		return 0;
 	}