fix the use of an uninitialized variable (issue #7746, pointed out by garyhai)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@40278 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 33758d3d37e90c4d99a48f6fb6f0c2308cc83b72..b512cd974fb31dc1d3e0ffff78a799b3de625302 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -7021,7 +7021,9 @@ static int sip_refer_allocate(struct sip_pvt *p)
 */
 static int transmit_refer(struct sip_pvt *p, const char *dest)
 {
-       struct sip_request req;
+       struct sip_request req = { 
+               .headers = 0,   
+       };
        char from[256];
        const char *of;
        char *c;