tests/.gitignore: Ignore test-rfifolock

Signed-off-by: NCole Robinson <crobinso@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

tests/.gitignore

@@ -23,6 +23,7 @@ test-qmp-input-strict
 test-qmp-input-visitor
 test-qmp-marshal.c
 test-qmp-output-visitor
+test-rfifolock
 test-string-input-visitor
 test-string-output-visitor
 test-thread-pool