typo in sgsn_test

(committing just to test gerrit, if it goes through it's still a valid change)

Change-Id: I3291ea2da99cd7f0e2f340b0e6fd6022d088beb8
diff --git a/openbsc/tests/sgsn/sgsn_test.ok b/openbsc/tests/sgsn/sgsn_test.ok
index cdd2006..c7a53b9 100644
--- a/openbsc/tests/sgsn/sgsn_test.ok
+++ b/openbsc/tests/sgsn/sgsn_test.ok
@@ -1,7 +1,7 @@
 Testing LLME allocations
 Testing core subscriber data API
 Testing authentication triplet handling
-Testing subcriber GSUP handling
+Testing subscriber GSUP handling
 Testing GMM detach
 Testing GMM detach (power off)
 Testing GMM detach (no MMCTX)