Replace pqueue with code from hashsig heap

I accidentally wrote a separate priority queue implementation when
I was working on file rename detection as part of the file hash
signature calculation code.  To simplify licensing terms, I just
adapted that to a general purpose priority queue and replace the
old priority queue implementation that was borrowed from elsewhere.

This also removes parts of the COPYING document that no longer
apply to libgit2.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/commit_list.h b/src/commit_list.h
index d2f54b3ca..490d841be 100644
--- a/src/commit_list.h
+++ b/src/commit_list.h
@@ -39,7 +39,7 @@ typedef struct git_commit_list {
 } git_commit_list;
 
 git_commit_list_node *git_commit_list_alloc_node(git_revwalk *walk);
-int git_commit_list_time_cmp(void *a, void *b);
+int git_commit_list_time_cmp(const void *a, const void *b);
 void git_commit_list_free(git_commit_list **list_p);
 git_commit_list *git_commit_list_insert(git_commit_list_node *item, git_commit_list **list_p);
 git_commit_list *git_commit_list_insert_by_date(git_commit_list_node *item, git_commit_list **list_p);