[gnome-system-monitor] Fixed preferences ui overlap

[Robert Roth <robertroth src gnome org>]

commit 271578dcd7d30fc209795a421ce94818759ff5f4
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Nov 8 02:21:50 2020 +0200

    Fixed preferences ui overlap

 data/preferences.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/preferences.ui b/data/preferences.ui
index 2d2fe220..c1c4e12e 100644
--- a/data/preferences.ui
+++ b/data/preferences.ui
@@ -491,7 +491,7 @@
                               </object>
                               <packing>
                                 <property name="left_attach">0</property>
-                                <property name="top_attach">4</property>
+                                <property name="top_attach">5</property>
                                 <property name="width">1</property>
                                 <property name="height">1</property>
                               </packing>
@@ -509,7 +509,7 @@
                               </object>
                               <packing>
                                 <property name="left_attach">0</property>
-                                <property name="top_attach">5</property>
+                                <property name="top_attach">6</property>
                                 <property name="width">1</property>
                                 <property name="height">1</property>
                               </packing>