Renames more single-word global symbols to help reduce the chance of name conflicts:
- s/initstack/d_r_initstack/
- s/loginst/d_r_loginst/
- s/logopnd/d_r_logopnd/
- s/logtrace/d_r_logtrace/
- s/mangle/d_r_mangle/
- s/mangle/d_r_mangle/
- s/MD5Init/d_r_md5_init/
- s/MD5Final/d_r_md5_final/
- s/MD5Update/d_r_md5_update/
- s/notify/d_r_notify/
- s/stackdump/d_r_stackdump/
- s/stats/d_r_stats/
Issue: #3348