misc cleanup: extra spaces, typos.

[philljj]

Description

• Remove extra spaces
• Fix typos

Testing

$grep -r "default :" * --include=*.{c,h}
src/ssl.c:        default :
src/tls13.c:        default :

$codespell wolfssl/
...bunch of output...

$codespell wolfcrypt/
...bunch of output...

[philljj]

retest this please