Silence another compiler warning under cygwin/gcc4.9

gps2udp.c: In function 'send_udp':
gps2udp.c:117:19: warning: passing argument 5 of 'sendto' from
incompatible pointer type
   ssize_t status = sendto(sock[channel],
                    ^
In file included from gps2udp.c:38:0:
/usr/include/sys/socket.h:38:11: note: expected 'const struct sockaddr
*' but argument is of type 'struct sockaddr_in *'
    ssize_t sendto (int, const void *, size_t __len, int __flags,
            ^

1 files changed, 1 insertions, 1 deletions

diff --git a/gps2udp.c b/gps2udp.c
index 2575fba5..1af7f71f 100644
--- a/gps2udp.c
+++ b/gps2udp.c
@@ -118,7 +118,7 @@ static int send_udp (char *nmeastring, size_t ind)
 				buffer,
 				ind,
 				0,
-				&remote[channel],
+				(const struct sockaddr *)&remote[channel],
 				(int)sizeof(remote));
 	if (status < (ssize_t)ind) {
 	    (void)fprintf(stderr, "gps2udp: failed to send [%s] \n", nmeastring);