gitignore: fix paths to binaries

Change-Id: Ia968bbc5de34e9068d4b414e5a701b958ae517e5
diff --git a/.gitignore b/.gitignore
index 70193ff..b3e50f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,9 +39,9 @@
 
 
 # apps and app data
-src/gprs/osmo-sgsn
-src/gprs/osmo-gbproxy
-src/gprs/osmo-gtphub
+src/sgsn/osmo-sgsn
+src/gbproxy/osmo-gbproxy
+src/gtphub/osmo-gtphub
 src/libcommon/gsup_test_client
 
 #tests