[gnome-builder] ide: add missing header include for process supervisor

[Christian Hergert <chergert src gnome org>]

commit a30cabf65004b2dfd96d79ef7df87c69a401391c
Author: Christian Hergert <chergert redhat com>
Date:   Mon Apr 23 00:21:48 2018 -0700

    ide: add missing header include for process supervisor

 src/libide/ide.h | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/libide/ide.h b/src/libide/ide.h
index e5fc8447c..4e27aeb8f 100644
--- a/src/libide/ide.h
+++ b/src/libide/ide.h
@@ -167,6 +167,7 @@ G_BEGIN_DECLS
 #include "storage/ide-persistent-map-builder.h"
 #include "subprocess/ide-subprocess.h"
 #include "subprocess/ide-subprocess-launcher.h"
+#include "subprocess/ide-subprocess-supervisor.h"
 #include "symbols/ide-code-indexer.h"
 #include "symbols/ide-code-index-entry.h"
 #include "symbols/ide-symbol-resolver.h"