clean: general whitespace cleanup

READMEs/README.unix-domain-reverse-proxy.md

changelog

include/libwebsockets/lws-adopt.h

include/libwebsockets/lws-context-vhost.h

include/libwebsockets/lws-genrsa.h

include/libwebsockets/lws-http.h

include/libwebsockets/lws-logs.h

include/libwebsockets/lws-plugin-generic-sessions.h

include/libwebsockets/lws-protocols-plugins.h

include/libwebsockets/lws-spa.h

include/libwebsockets/lws-writeable.h

include/libwebsockets/lws-ws-ext.h

lib/core/adopt.c

lib/core/connect.c

lib/core/context.c

lib/core/dummy-callback.c

lib/core/libwebsockets.c

lib/core/output.c

lib/core/pollfd.c

lib/core/private.h