[perl-Cairo] Add doc descriptions for more types

[Torsten Schönfeld <tsch src gnome org>]

commit 1ba539bf15a543912cefbffb84e260ed228097e7
Author: Torsten Schönfeld <kaffeetisch gmx de>
Date:   Sat Apr 30 15:42:43 2011 +0200

    Add doc descriptions for more types

 doctypes |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/doctypes b/doctypes
index fe68f23..afa0fc7 100644
--- a/doctypes
+++ b/doctypes
@@ -1,4 +1,7 @@
 cairo_t			Cairo::Context
+cairo_content_t		Cairo::Content
 cairo_font_options_t	Cairo::FontOptions
 cairo_font_type_t	Cairo::FontType
+cairo_pattern_t		Cairo::Pattern
 cairo_scaled_font_t	Cairo::ScaledFont
+cairo_surface_t		Cairo::Surface