gitignore: gsup_test_client binary
gsup_test_client was added in 4f8e34b226aeae221119c1d5ea659c3f087132aa and
moved to libcommon in 2c1f8c8cebe41b30deca29c55290fef7a61e5343, both of
which forgot to adjust the .gitignore.
Change-Id: Idd0d29a2f5c5b9b038103c955e0027d9ee9fee73
diff --git a/openbsc/.gitignore b/openbsc/.gitignore
index 3324069..e3f25cb 100644
--- a/openbsc/.gitignore
+++ b/openbsc/.gitignore
@@ -55,6 +55,7 @@
src/gprs/osmo-gbproxy
src/gprs/osmo-gtphub
src/osmo-bsc_nat/osmo-bsc_nat
+src/libcommon/gsup_test_client
#tests
tests/testsuite.dir