[gnome-build-meta/juerg/gnome-internet-radio-locator] world/gnome-internet-radio-locator.bst: Add missing gtk-doc dependency

[Jürg Billeter <juergbi src gnome org>]

commit 151e113209670722acb1be2f62f6d774cc728d89
Author: Jürg Billeter <j bitron ch>
Date:   Sun Feb 10 07:55:46 2019 +0100

    world/gnome-internet-radio-locator.bst: Add missing gtk-doc dependency
    
        checking for gtk-doc >= 1.9...
          testing gtkdocize... not found.
        ***Error***: You must have gtk-doc >= 1.9 installed
          to build gnome-internet-radio-locator.  Download the appropriate package for
          from your distribution or get the source tarball at
            http://ftp.gnome.org/pub/GNOME/sources/gtk-doc/

 elements/world/gnome-internet-radio-locator.bst | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/elements/world/gnome-internet-radio-locator.bst b/elements/world/gnome-internet-radio-locator.bst
index 89f7566d..6225ae8c 100644
--- a/elements/world/gnome-internet-radio-locator.bst
+++ b/elements/world/gnome-internet-radio-locator.bst
@@ -15,6 +15,8 @@ depends:
 - sdk/gst-plugins-base.bst
 - sdk/gst-plugins-good.bst
 - sdk/gtk+-3.bst
+- filename: sdk/gtk-doc.bst
+  type: build
 - sdk/pango.bst
 - filename: desktop/gstreamer.bst
   junction: freedesktop-sdk.bst