[gnome-builder] build-manager: Emit action-enabled-changed for install

[Christian Hergert <chergert src gnome org>]

commit 1a4b6cc91d855b4d25b80c2b40228d5915ace82c
Author: Matthew Leeds <mleeds redhat com>
Date:   Mon Apr 17 22:02:36 2017 -0500

    build-manager: Emit action-enabled-changed for install
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781428

 libide/buildsystem/ide-build-manager.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libide/buildsystem/ide-build-manager.c b/libide/buildsystem/ide-build-manager.c
index acf4c0f..56bbebd 100644
--- a/libide/buildsystem/ide-build-manager.c
+++ b/libide/buildsystem/ide-build-manager.c
@@ -90,6 +90,7 @@ ide_build_manager_propagate_action_enabled (IdeBuildManager *self)
   g_action_group_action_enabled_changed (G_ACTION_GROUP (self), "build", !busy && can_build);
   g_action_group_action_enabled_changed (G_ACTION_GROUP (self), "rebuild", !busy && can_build);
   g_action_group_action_enabled_changed (G_ACTION_GROUP (self), "clean", !busy && can_build);
+  g_action_group_action_enabled_changed (G_ACTION_GROUP (self), "install", !busy && can_build);
 }
 
 static gboolean