Remove calculation of the longest command name from where it is not used

Just calculate it where it is needed - it is cheap and trivial,
as all the lengths are already there (stored when creating the
command lists).

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin-help.c b/builtin-help.c
index 391f749..9225102 100644
--- a/builtin-help.c
+++ b/builtin-help.c
@@ -418,7 +418,7 @@
 {
 	int nongit;
 	const char *alias;
-	unsigned int longest = load_command_list("git-", &main_cmds, &other_cmds);
+	load_command_list("git-", &main_cmds, &other_cmds);
 
 	setup_git_directory_gently(&nongit);
 	git_config(git_help_config, NULL);
@@ -428,7 +428,7 @@
 
 	if (show_all) {
 		printf("usage: %s\n\n", git_usage_string);
-		list_commands("git commands", longest, &main_cmds, &other_cmds);
+		list_commands("git commands", &main_cmds, &other_cmds);
 		printf("%s\n", git_more_info_string);
 		return 0;
 	}