MINOR: opentracing: register config file and line number on log servers

In commit 9533a7038 new parameters have been added to the declaration
of function parse_logsrv().

This patch should be backported to all branches where the OpenTracing
filter is located.
diff --git a/addons/ot/src/parser.c b/addons/ot/src/parser.c
index b53d58d..c7522e9 100644
--- a/addons/ot/src/parser.c
+++ b/addons/ot/src/parser.c
@@ -490,7 +490,7 @@
 		}
 	}
 	else if (pdata->keyword == FLT_OT_PARSE_TRACER_LOG) {
-		if (parse_logsrv(args, &(flt_ot_current_tracer->proxy_log.logsrvs), kw_mod == KWM_NO, &err_log) == 0) {
+		if (parse_logsrv(args, &(flt_ot_current_tracer->proxy_log.logsrvs), kw_mod == KWM_NO, file, linenum, &err_log) == 0) {
 			FLT_OT_PARSE_ERR(&err, "'%s %s ...' : %s", args[0], args[1], err_log);
 			FLT_OT_FREE_CLEAR(err_log);