-cosmetic patch from Evgeny Grin

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32259 140774ce-b5e7-0310-ab8b-a85725594a96
size_t vs. int fixes by Evgeny Grin, plus some additional fixes by CG

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32260 140774ce-b5e7-0310-ab8b-a85725594a96
-doxygen, style and indentation fixes to microspdy.h

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32261 140774ce-b5e7-0310-ab8b-a85725594a96