Ignore extended test leftovers

Change-Id: If9e3522d934611f631cbfde6e6db52251babc37f
Reviewed-on: https://gerrit.osmocom.org/41
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Reviewed-by: Neels Hofmeyr <nhofmeyr@sysmocom.de>
Tested-by: Holger Freyther <holger@freyther.de>
Reviewed-on: https://gerrit.osmocom.org/56
Reviewed-by: Holger Freyther <holger@freyther.de>
diff --git a/openbsc/.gitignore b/openbsc/.gitignore
index bae3b65..0a2965d 100644
--- a/openbsc/.gitignore
+++ b/openbsc/.gitignore
@@ -88,7 +88,7 @@
 tests/testsuite
 tests/testsuite.log
 
-
+gsn_restart
 src/openbsc.cfg*
 writtenconfig/
 gtphub_restart_count