[sysprof] libsysprof-ui: tweak spacing

[Christian Hergert <chergert src gnome org>]

commit c1d972d0c5dad6896888459215bb9965a5a39646
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 15 19:22:35 2019 -0700

    libsysprof-ui: tweak spacing

 src/libsysprof-ui/ui/sysprof-capture-view.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libsysprof-ui/ui/sysprof-capture-view.ui b/src/libsysprof-ui/ui/sysprof-capture-view.ui
index 2ed4ead..a6e9b79 100644
--- a/src/libsysprof-ui/ui/sysprof-capture-view.ui
+++ b/src/libsysprof-ui/ui/sysprof-capture-view.ui
@@ -11,7 +11,7 @@
             <property name="visible">true</property>
             <child>
               <object class="GtkBox">
-                <property name="margin-start">12</property>
+                <property name="margin-start">6</property>
                 <property name="margin-end">12</property>
                 <property name="orientation">horizontal</property>
                 <property name="valign">center</property>