mergetools: add support for guiffy

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 5c674b2843ccadec710596f7b8c293bbbc6130ea..e9d3cfb9e33a6b874751ac6acc5aac2361d4a58d 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -1379,10 +1379,10 @@ static void cleanup_preferred_base(void)
        it = pbase_tree;
        pbase_tree = NULL;
        while (it) {
-               struct pbase_tree *this = it;
-               it = this->next;
-               free(this->pcache.tree_data);
-               free(this);
+               struct pbase_tree *tmp = it;
+               it = tmp->next;
+               free(tmp->pcache.tree_data);
+               free(tmp);
        }
 
        for (i = 0; i < ARRAY_SIZE(pbase_tree_cache); i++) {
@@ -2549,6 +2549,7 @@ static void read_object_list_from_stdin(void)
        }
 }
 
+/* Remember to update object flag allocation in object.h */
 #define OBJECT_ADDED (1u<<20)
 
 static void show_commit(struct commit *commit, void *data)