[sysprof] libsysprof-ui: set computer-fail for no callgraph

[Christian Hergert <chergert src gnome org>]

commit eda7b34062c7cc21996e8c3d7f1126f3489d49c3
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 15 17:19:19 2019 -0700

    libsysprof-ui: set computer-fail for no callgraph

 src/libsysprof-ui/ui/sysprof-callgraph-view.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/libsysprof-ui/ui/sysprof-callgraph-view.ui b/src/libsysprof-ui/ui/sysprof-callgraph-view.ui
index a8b9778..d32d4b6 100644
--- a/src/libsysprof-ui/ui/sysprof-callgraph-view.ui
+++ b/src/libsysprof-ui/ui/sysprof-callgraph-view.ui
@@ -194,6 +194,7 @@
         </child>
         <child>
           <object class="SysprofEmptyStateView">
+            <property name="icon-name">computer-fail-symbolic</property>
             <property name="title" translatable="yes">Not Enough Samples</property>
             <property name="subtitle" translatable="yes">More samples are necessary to display a 
callgraph.</property>
             <property name="visible">true</property>