configure: Add a dependency on https for rtmpts

The rtmpts protocol uses https implicitly, via the ffrtmphttp
protocol, but the ffrtmphttp protocol is also useable for plain
rtmpt without https, so the dependency needs to be added here instead.
Signed-off-by: Martin Storsjö <martin@martin.st>

configure

@@ -1570,7 +1570,7 @@ rtmps_protocol_deps="!librtmp_protocol"
 rtmps_protocol_select="tls_protocol"
 rtmpt_protocol_select="ffrtmphttp_protocol"
 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
-rtmpts_protocol_select="ffrtmphttp_protocol"
+rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
 rtp_protocol_select="udp_protocol"
 sctp_protocol_deps="network netinet_sctp_h"
 tcp_protocol_deps="network"