Add test-driver to .gitignore

Change-Id: Ibc818ebbe6616b0c9391900f3aaf87bde666c842
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/.gitignore b/.gitignore
index 2947ea8..e86ee6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@
 .dirstamp
 .project
 netipmid
+test-driver