Function svn_fs_unlock 

pub unsafe extern "C" fn svn_fs_unlock(
    fs: *mut svn_fs_t,
    path: *const c_char,
    token: *const c_char,
    break_lock: svn_boolean_t,
    pool: *mut apr_pool_t,
) -> *mut svn_error_t

Similar to svn_fs_unlock_many() but only unlocks a single path.

@since New in 1.2.