gitignore: fix application names

Change-Id: I4ea6b6691a0e6cfb3de0c9d2b1a0c3ed68a18514
diff --git a/.gitignore b/.gitignore
index b80db93..882ef61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,8 +27,8 @@
 
 
 # apps
-src/osmo_pcap_client
-src/osmo_pcap_server
+src/osmo-pcap-client
+src/osmo-pcap-server
 
 # tests
 tests/atconfig