Minor improvements for better performance.

[ghost]

Changed files: Win32/Inet.c, Win32/SendMail.c, Win32/WinUtils.c

[weltling]

Not sure how these changes bring better performance :)

[ghost]

Ok, thanks for your COMMENT!
Try to commit somethingz... instead of spam :)

[php-pulls]

Comment on behalf of nikic at php.net:

This won't improve perf, it's just a coding style change. As we don't have any clear standards regarding early returns I don't see a reason to merge this.