Avoid warnings when introspetion is not available
Avoid warnings when introspetion is not available

-include is the same as include but will never warn if the
file is not available

YueLinHo/MB3Gdk-pixbuf,Distrotech/gdk-pixbuf,djdeath/gdk-pixbuf,Distrotech/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,djdeath/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,GNOME/gdk-pixbuf,djdeath/gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,GNOME/gdk-pixbuf,GNOME/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,Distrotech/gdk-pixbuf,Distrotech/gdk-pixbuf,djdeath/gdk-pixbuf