Fix windows compilation errors

TODO.md

@@ -1,7 +1,7 @@
 Allow no TLS builds
 make sure no TLS builds work on windows
 Allow resolving requests from different threads
-Find a way to make sure http.h and http.c are always up to date
+Find a way to make sure chttp.h and chttp.c are always up to date
 parse Transfer-Encoding
 Make it cross-platform
 Find a way to compile OpenSSL on windows
@@ -9,4 +9,5 @@ handle 3xx client redirections
 add discussion on string management
 add discussion on error management
 check that virtual hosts over HTTPS work
-add examples for the router
+add examples for the router
+what is client-side SNI? Do we need it?