[gobject-introspection] docs: add GTK-Doc generated output to .gitignore

[Dieter Verfaillie <dieterv src gnome org>]

commit fb1fc89e98b4fb7b065b8c8e4f36f4ef8f50c6e5
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Thu Nov 15 20:57:07 2012 +0100

    docs: add GTK-Doc generated output to .gitignore
    
    https://bugzilla.gnome.org/show_bug.cgi?id=688418

 .gitignore |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index f71ec46..7096059 100644
--- a/.gitignore
+++ b/.gitignore
@@ -86,3 +86,18 @@ tests/offsets/offsets.introspected
 tests/doctool/DocExamples-1.0-C
 tests/doctool/DocExamples-1.0-Python
 .make-check-passed
+
+#GTK-Doc output
+docs/reference/html
+docs/reference/xml
+docs/reference/gi.args
+docs/reference/gi.hierarchy
+docs/reference/gi.interfaces
+docs/reference/gi.prerequisites
+docs/reference/gi.signals
+docs/reference/gi-decl.txt
+docs/reference/gi-decl-list.txt
+docs/reference/gi-undeclared.txt
+docs/reference/gi-undocumented.txt
+docs/reference/gi-unused.txt
+docs/reference/version.xml