Fix error value on control stream and RTSP handshake failure

src/ControlStream.c

@@ -818,7 +818,7 @@ int startControlStream(void) {
             peer = NULL;
             enet_host_destroy(client);
             client = NULL;
-            return -1;
+            return ETIMEDOUT;
         }
 
         // Ensure the connect verify ACK is sent immediately

src/PlatformSockets.c

@@ -243,7 +243,7 @@ SOCKET connectTcpSocket(struct sockaddr_storage* dstaddr, SOCKADDR_LEN addrlen,
             // select() timed out
             Limelog("select() timed out after %d seconds\n", timeoutSec);
             closeSocket(s);
-            SetLastSocketError(EWOULDBLOCK);
+            SetLastSocketError(ETIMEDOUT);
             return INVALID_SOCKET;
         }
         else if (FD_ISSET(s, &writefds) || FD_ISSET(s, &exceptfds)) {

src/PlatformSockets.h

@@ -13,6 +13,7 @@
 #define EWOULDBLOCK WSAEWOULDBLOCK
 #define EAGAIN WSAEWOULDBLOCK
 #define EINTR WSAEINTR
+#define ETIMEDOUT WSAETIMEDOUT
 
 typedef int SOCK_RET;
 typedef int SOCKADDR_LEN;