[gnome-build-meta/kjellahl/graphviz-dot-c] core-deps/graphviz.bst: Add 'dot -c' as integration command

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 9739cb25bfdcac4f2dab8ed08f59198e33a66921
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Wed Oct 6 15:47:57 2021 +0200

    core-deps/graphviz.bst: Add 'dot -c' as integration command
    
    Needed for dot to find its plugins.
    Similar to commit caab48f1b8b75943136625985d45d5828ef6d76d.
    See #434

 elements/core-deps/graphviz.bst | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/elements/core-deps/graphviz.bst b/elements/core-deps/graphviz.bst
index fa9b256b5..384dcb3cd 100644
--- a/elements/core-deps/graphviz.bst
+++ b/elements/core-deps/graphviz.bst
@@ -20,6 +20,7 @@ depends:
 - freedesktop-sdk.bst:components/freetype.bst
 - freedesktop-sdk.bst:components/jpeg.bst
 - freedesktop-sdk.bst:components/libpng.bst
+- freedesktop-sdk.bst:components/libtool.bst
 
 variables:
   conf-local: >-
@@ -35,3 +36,8 @@ variables:
     --without-qt
     --with-pangocairo
     --with-gdk-pixbuf
+
+public:
+  bst:
+    integration-commands:
+    - dot -c