[gtk+] inspector: Allow to bump scale to 3

[Matthias Clasen <matthiasc src gnome org>]

commit 9a7624b47adabf31b4a09082e03f102c20beb1be
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 17 16:40:10 2017 -0500

    inspector: Allow to bump scale to 3
    
    Might as well allow this, for 'large scale testing'.

 gtk/inspector/visual.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/inspector/visual.ui b/gtk/inspector/visual.ui
index bb4ee90..27d0de1 100644
--- a/gtk/inspector/visual.ui
+++ b/gtk/inspector/visual.ui
@@ -2,7 +2,7 @@
 <interface domain="gtk40">
   <object class="GtkAdjustment" id="scale_adjustment">
     <property name="lower">1</property>
-    <property name="upper">2</property>
+    <property name="upper">3</property>
     <property name="step-increment">1</property>
     <property name="page-increment">1</property>
   </object>