pbx_builtin_getvar_helper_treads

diff --git a/chan_lcr.c b/chan_lcr.cindex 38f969b..85310ac 100644--- a/chan_lcr.c+++ b/chan_lcr.c@@ -675,9 +675,19 @@ static void send_setup_to_lcr(struct chan_call *call)                default:                newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;        }++       /* If we don't lock the channel, the variable could disappear out from underneath us */+       lock_debug("A10+");+       ast_channel_lock(ast);+       lock_debug("A10-");        tmp = pbx_builtin_getvar_helper(ast, "LCR_TRANSFERCAPABILITY");-       if (tmp && *tmp)-               ast->transfercapability = atoi(tmp);+       if (tmp && *tmp) {+           tmp = ast_strdupa(tmp);+           ast->transfercapability = atoi(tmp);+       }+       ast_channel_unlock(ast);+       lock_debug("a10");+        newparam.setup.capainfo.bearer_capa = ast->transfercapability;        newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;        if (call->hdlc)