build: Set correct dependencies for rtmp* protocols implemented by librtmp.

configure

@@ -1504,6 +1504,10 @@ https_protocol_select="tls_protocol"
 mmsh_protocol_select="http_protocol"
 mmst_protocol_deps="network"
 rtmp_protocol_select="tcp_protocol"
+rtmpe_protocol_deps="librtmp"
+rtmps_protocol_deps="librtmp"
+rtmpt_protocol_deps="librtmp"
+rtmpte_protocol_deps="librtmp"
 rtp_protocol_select="udp_protocol"
 tcp_protocol_deps="network"
 tls_protocol_deps_any="openssl gnutls"

libavformat/allformats.c

@@ -254,12 +254,10 @@ void av_register_all(void)
     REGISTER_PROTOCOL (MD5,  md5);
     REGISTER_PROTOCOL (PIPE, pipe);
     REGISTER_PROTOCOL (RTMP, rtmp);
-#if CONFIG_LIBRTMP
-    REGISTER_PROTOCOL (RTMP, rtmpt);
-    REGISTER_PROTOCOL (RTMP, rtmpe);
-    REGISTER_PROTOCOL (RTMP, rtmpte);
-    REGISTER_PROTOCOL (RTMP, rtmps);
-#endif
+    REGISTER_PROTOCOL (RTMPE, rtmpe);
+    REGISTER_PROTOCOL (RTMPS, rtmps);
+    REGISTER_PROTOCOL (RTMPT, rtmpt);
+    REGISTER_PROTOCOL (RTMPTE, rtmpte);
     REGISTER_PROTOCOL (RTP, rtp);
     REGISTER_PROTOCOL (TCP, tcp);
     REGISTER_PROTOCOL (TLS, tls);