Merge branch 'maint'

* maint:
  Fix non-literal format in printf-style calls
  git-submodule: Avoid printing a spurious message.
  git ls-remote: make usage string match manpage
  Makefile: help people who run 'make check' by mistake

builtin-remote.c

@@ -320,7 +320,7 @@ static int add_branch_for_removal(const char *refname,
 
 	/* make sure that symrefs are deleted */
 	if (flags & REF_ISSYMREF)
-		return unlink(git_path(refname));
+		return unlink(git_path("%s", refname));
 
 	item = string_list_append(refname, branches->branches);
 	item->util = xmalloc(20);