Add alternate vim swap files to the gitignore file

Change-Id: Ia857bd97edbb7f96e3d5431a1c4e10c71036ae00
diff --git a/.gitignore b/.gitignore
index ae5f64f..5b80f94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-*.swp
-*.swo
+.*.sw?
 TestON/logs/*
 *.pyc