Merge branch 'js/misc-fixes'

Assorted fixes to problems found by Coverity. * js/misc-fixes: relative_url(): fix incorrect condition pack-mtimes: avoid closing a bogus file descriptor read_index_from(): avoid memory leak submodule--helper: avoid memory leak when fetching submodules submodule-config: avoid memory leak fsmonitor: avoid memory leak in `fsm_settings__get_incompatible_msg()`