rbuf: tiny whitespace cleanup

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
curlhttpget: tiny whitespace cleanup

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
hlsfeed: tiny whitespace cleanup

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
stats: tiny whitespace cleanup

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
walk_hls: tiny whitespace cleanup

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>