list-objects.c: rename "traverse_trees_and_blobs" to "traverse_non_commits"

Function `traverse_trees_and_blobs` not only works on trees and blobs,
but also on tags, the function name is somewhat misleading. This commit
rename it to `traverse_non_commits`.

Signed-off-by: Teng Long <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: dyrone

list-objects.c

@@ -337,8 +337,8 @@ static void add_pending_tree(struct rev_info *revs, struct tree *tree)
 	add_pending_object(revs, &tree->object, "");
 }
 
-static void traverse_trees_and_blobs(struct traversal_context *ctx,
-				     struct strbuf *base)
+static void traverse_non_commits(struct traversal_context *ctx,
+				 struct strbuf *base)
 {
 	int i;
 
@@ -410,9 +410,9 @@ static void do_traverse(struct traversal_context *ctx)
 			 * needs a reallocation for each commit. Can we pass the
 			 * tree directory without allocation churn?
 			 */
-			traverse_trees_and_blobs(ctx, &csp);
+			traverse_non_commits(ctx, &csp);
 	}
-	traverse_trees_and_blobs(ctx, &csp);
+	traverse_non_commits(ctx, &csp);
 	strbuf_release(&csp);
 }