Sampling device dialog: set font

sdrgui/gui/samplingdevicedialog.ui

@@ -2,6 +2,12 @@
 <ui version="4.0">
  <class>SamplingDeviceDialog</class>
  <widget class="QDialog" name="SamplingDeviceDialog">
+  <property name="font">
+   <font>
+    <family>Liberation Sans</family>
+    <pointsize>9</pointsize>
+   </font>
+  </property>
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -10,12 +16,6 @@
     <height>139</height>
    </rect>
   </property>
-  <property name="font">
-   <font>
-    <family>Liberation Sans</family>
-    <pointsize>9</pointsize>
-   </font>
-  </property>
   <property name="windowTitle">
    <string>Select sampling device</string>
   </property>
@@ -28,18 +28,37 @@
        <height>70</height>
       </size>
      </property>
+     <property name="font">
+      <font>
+       <family>Liberation Sans</family>
+       <pointsize>9</pointsize>
+      </font>
+     </property>
      <property name="title">
       <string>Select from list</string>
      </property>
      <layout class="QFormLayout" name="formLayout">
       <item row="0" column="1">
-       <widget class="QComboBox" name="deviceSelect"/>
+       <widget class="QComboBox" name="deviceSelect">
+	     <property name="font">
+	      <font>
+	       <family>Liberation Sans</family>
+	       <pointsize>9</pointsize>
+	      </font>
+	     </property>
+       </widget>
       </item>
      </layout>
     </widget>
    </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="font">
+      <font>
+       <family>Liberation Sans</family>
+       <pointsize>9</pointsize>
+      </font>
+     </property>
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>