add fullscreen to .gitignore

Signed-off-by: U. Artie Eoff <ullysses.a.eoff@intel.com>
diff --git a/clients/.gitignore b/clients/.gitignore
index f925ce6..94082f8 100644
--- a/clients/.gitignore
+++ b/clients/.gitignore
@@ -7,6 +7,7 @@
 editor
 eventdemo
 flower
+fullscreen
 gears
 image
 input-method-protocol.c