gitignore: Add virtfs-proxy-helper

Signed-off-by: NCole Robinson <crobinso@redhat.com>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

.gitignore

@@ -47,6 +47,7 @@ test-qmp-output-visitor
 test-string-input-visitor
 test-string-output-visitor
 test-visitor-serialization
+fsdev/virtfs-proxy-helper
 fsdev/virtfs-proxy-helper.1
 fsdev/virtfs-proxy-helper.pod
 .gdbinit