No real changes, just fix some typos in comments in wxMSW code.

Closes #14994.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73435 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Initialize all wxHTTPStream members in ctor.

Don't leave m_httpsize and m_read_bytes uninitialized.

Closes #14993.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73436 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775