[cogl/cogl-1.20] Update .gitignore

[Jasper St. Pierre <jstpierre src gnome org>]

commit c1d3811ba13a91bafda50c9f865a8a7ca4d41edf
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Apr 20 12:09:06 2015 -0700

    Update .gitignore

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 243bf50..2b5a991 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,7 @@ depcomp
 /examples/cogl-point-sprites
 /examples/cogl-sdl-hello
 /examples/cogl-sdl2-hello
+/examples/cogl-stereo
 /examples/cogl-x11-foreign
 /examples/cogl-x11-tfp
 /examples/cogland