[rygel] Update .gitignore

[Jens Georg <jensgeorg src gnome org>]

commit 59a9ab5b7466ceea502ca895bfe63bd341a57a1d
Author: Jens Georg <mail jensge org>
Date:   Sun May 10 13:49:19 2015 +0200

    Update .gitignore
    
    Signed-off-by: Jens Georg <mail jensge org>

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index b0fb077..40e1dc1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -131,6 +131,7 @@ doc/reference/*/gtkdoc/*.types
 doc/reference/*/gtkdoc/*.prerequisites
 doc/reference/*/gtkdoc/html/
 doc/reference/*/valadoc/
+doc/**/*-gen
 examples/fullscreen-renderer
 examples/standalone-renderer-gst
 examples/standalone-server