Merge branch 'ds/commit-graph-leakfix'

Code clean-up.

* ds/commit-graph-leakfix:
  commit-graph: reduce initial oid allocation
  builtin/commit-graph.c: UNLEAK variables
  commit-graph: clean up leaked memory during write

diff --cc builtin/commit-graph.c
Simple merge

diff --cc commit-graph.c
index a6867586039b507e7802a469a1a3bed82e44bddb,e773703e1ddd6116abcd910caeb3cd72b862658c..40c855f1855595fbf5b285008d3c829e6a2f41eb
--- 1/commit-graph.c
--- 2/commit-graph.c
+++ b/commit-graph.c
@@@ -764,11 -719,8 +765,11 @@@ void write_commit_graph(const char *obj
        struct commit_list *parent;
        struct progress *progress = NULL;
  
 +      if (!commit_graph_compatible(the_repository))
 +              return;
 +
        oids.nr = 0;
-       oids.alloc = approximate_object_count() / 4;
+       oids.alloc = approximate_object_count() / 32;
        oids.progress = NULL;
        oids.progress_done = 0;