package: Add rrdtool package

[Peter: use hook to remove examples]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/package/Config.in b/package/Config.in
index 5e08d59..3b6cd19 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -85,6 +85,9 @@
 
 menu "Graphic libraries and applications (graphic/text)"
 
+comment "Graphic applications"
+source "package/rrdtool/Config.in"
+
 comment "graphic libraries"
 source "package/directfb/Config.in"
 source "package/directfb-examples/Config.in"