fix: indentation consistency

z.lua

@@ -2008,7 +2008,7 @@ function main(argv)
 		elseif opts.fish then
 			z_fish_init(opts)
 		elseif opts.powershell then
-		       z_windows_init(opts)
+			z_windows_init(opts)
 		else
 			z_shell_init(opts)
 		end