v4l2rtspserver: improve live555 patch

Signed-off-by: Michel Promonet <michel.promonet@free.fr>

multimedia/v4l2rtspserver/patches/001_live555_sprintf_format

@@ -9,3 +9,12 @@
        "s=%s\r\n"
        "i=%s\r\n"
        "t=0 0\r\n"
+@@ -299,7 +299,7 @@ char* ServerMediaSession::generateSDPDes
+ 
+     // Generate the SDP prefix (session-level lines):
+     snprintf(sdp, sdpLength, sdpPrefixFmt,
+-	     fCreationTime.tv_sec, fCreationTime.tv_usec, // o= <session id>
++	     (long long)fCreationTime.tv_sec, (long long)fCreationTime.tv_usec, // o= <session id>
+ 	     1, // o= <version> // (needs to change if params are modified)
+ 	     addressFamily == AF_INET ? "IP4" : "IP6", // o= <address family>
+ 	     ipAddressStr.val(), // o= <address>