lib/uaudio-rtp.c: Fix initial values for socket descriptors.

The code in `rtp_stop' checks for the sentinel value -1 when trying to
close sockets.  Without this, it might get (and then ignore!) a spurious
`EBADF' when shutting down.

diff --git a/lib/uaudio-rtp.c b/lib/uaudio-rtp.c
index 7451136..2efd910 100644 (file)
--- a/lib/uaudio-rtp.c
+++ b/lib/uaudio-rtp.c
@@ -55,10 +55,12 @@
 static int rtp_payload;
 
 /** @brief RTP output socket */
-static int rtp_fd;
+static int rtp_fd = -1;
 
 /** @brief RTP output socket (IPv6) */
 static int rtp_fd6;
+/** @brief RTP unicast output socket (IPv6) */
+static int rtp_fd6 = -1;
 
 /** @brief RTP SSRC */
 static uint32_t rtp_id;