win32: blind attempt at fixing RTSP connection (hopefully fixes #2560)

That being noted, I would advocate ditching all RTSP control connection
timeouts from our live555 plugins. Looking at strace, live555 waits
forever in the middle of receiving RTSP messages anyway.

extras/contrib/src/Makefile

@@ -1265,6 +1265,7 @@ live: live555-$(LIVEDOTCOM_VERSION).tar.gz
 	$(EXTRACT_GZ)
 	patch -p0 < Patches/live-noapps.patch
 	patch -p0 < Patches/live-uselocale.patch
+	patch -p0 < Patches/live-win32-nonblock.patch
 
 .live: live
 ifdef HAVE_WIN32

extras/contrib/src/Patches/live-win32-nonblock.patch

+Copyright (C) 2009 Rémi Denis-Courmont. Licensed under GPLv2 or higher.
+diff -Nru live.orig/liveMedia/RTSPClient.cpp live/liveMedia/RTSPClient.cpp
+--- live.orig/liveMedia/RTSPClient.cpp	2009-04-05 20:38:11.000000000 +0300
++++ live/liveMedia/RTSPClient.cpp	2009-04-05 20:39:43.000000000 +0300
+@@ -1835,7 +1835,7 @@
+       }
+       if (connect(fInputSocketNum, (struct sockaddr*) &remoteName, sizeof remoteName) != 0) {
+ #if defined(__WIN32__) || defined(_WIN32)
+-        if (errno != WSAEINPROGRESS) {
++        if (errno != WSAEWOULDBLOCK) {
+ #else
+         if (errno != EINPROGRESS) {
+ #endif