pimd: fix clang warning

pimd/pim_sock.c:178:13: error: implicit conversion from
	'int' to 'char' changes value from 148 to -108
	[-Werror,-Wconstant-conversion]
    ra[0] = 148;

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

diff --git a/pimd/pim_sock.c b/pimd/pim_sock.c
index 54816d126be7f1150648993c038c9d8fb88fcf49..e1949e3602f3a08532f0cdeb0c35f234215da97d 100644 (file)
--- a/pimd/pim_sock.c
+++ b/pimd/pim_sock.c
@@ -136,7 +136,7 @@ int pim_socket_mcast(int protocol, struct in_addr ifaddr, int ifindex, u_char lo
   
   /* Set router alert (RFC 2113) for all IGMP messages (RFC 3376 4. Message Formats)*/
   if (protocol == IPPROTO_IGMP) {
-    char ra[4];
+    uint8_t ra[4];
     ra[0] = 148;
     ra[1] = 4;
     ra[2] = 0;