Updated .gitignore for Python API generated file

Change-Id: I7c08b52124b44feb36e04a7fd417fe14b367cb44
Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
diff --git a/.gitignore b/.gitignore
index e91f1a0..d6a09b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@
 /build-root/*.rpm
 /build-root/*.changes
 /build-config.mk
+/vpp-api/python/vpp_papi/vpp_papi.py
 /dpdk/*.tar.gz
 /path_setup
 /tools/