[gnome-software] trivial: Do not use the calculator icon when the update has no icon

[Richard Hughes <rhughes src gnome org>]

commit 8d5aa37e416e733159b2f2574a9d2d8c54d51ed6
Author: Richard Hughes <richard hughsie com>
Date:   Thu Mar 28 10:43:19 2019 +0000

    trivial: Do not use the calculator icon when the update has no icon
    
    Fixes half of https://gitlab.gnome.org/GNOME/gnome-software/issues/263

 src/gs-update-dialog.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gs-update-dialog.ui b/src/gs-update-dialog.ui
index 8e23c00b..a83b0260 100644
--- a/src/gs-update-dialog.ui
+++ b/src/gs-update-dialog.ui
@@ -127,7 +127,7 @@
                       <object class="GtkImage" id="image_icon">
                         <property name="visible">True</property>
                         <property name="pixel_size">96</property>
-                        <property name="icon_name">accessories-calculator</property>
+                        <property name="icon_name">application-x-executable</property>
                         <property name="icon_size">0</property>
                       </object>
                     </child>