[gnome-builder/wip/chergert/headerbar] omnibar: add tooltip to build button

[Christian Hergert <chergert src gnome org>]

commit 27f74be8c9d6f53387a8374421bf61f8780637d5
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jun 24 16:56:02 2016 -0700

    omnibar: add tooltip to build button

 libide/workbench/ide-omni-bar.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libide/workbench/ide-omni-bar.ui b/libide/workbench/ide-omni-bar.ui
index c81c4ce..0c77cf1 100644
--- a/libide/workbench/ide-omni-bar.ui
+++ b/libide/workbench/ide-omni-bar.ui
@@ -98,6 +98,7 @@
         <child>
           <object class="GtkImage" id="build_button_image">
             <property name="icon-name">system-run-symbolic</property>
+            <property name="tooltip-text" translatable="yes">Build project</property>
             <property name="visible">true</property>
           </object>
         </child>