Group bit field values in order to save some memory.

    cache_socache_info_t socache_info; /* Header information. */

    apr_size_t body_offset; /* offset to the start of the body */

    apr_off_t body_length; /* length of the cached entity body */

    unsigned int newbody :1; /* whether a new body is present */

    apr_time_t expire; /* when to expire the entry */

    const char *name; /* Requested URI without vary bits - suitable for mortals. */

    const char *key; /* On-disk prefix; URI with Vary bits (if present) */

    apr_off_t offset; /* Max size to set aside */

    apr_time_t timeout; /* Max time to set aside */

    unsigned int newbody :1; /* whether a new body is present */

    unsigned int done :1; /* Is the attempt to cache complete? */

} cache_socache_object_t;