Font face and size normalization: added missing input interface GUIs

plugins/samplesource/hackrf/hackrfgui.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>256</width>
-    <height>218</height>
+    <width>307</width>
+    <height>270</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -16,6 +16,12 @@
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
+  <property name="font">
+   <font>
+    <family>Sans Serif</family>
+    <pointsize>9</pointsize>
+   </font>
+  </property>
   <property name="windowTitle">
    <string>BladeRF</string>
   </property>
@@ -81,6 +87,13 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QLabel" name="freqUnits">
+       <property name="text">
+        <string> kHz</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="freqRightlSpacer">
        <property name="orientation">
@@ -271,7 +284,7 @@
     </layout>
    </item>
    <item>
-    <layout class="QGridLayout" name="gridLayout_fcPos" columnstretch="0,0,0,0,0">
+    <layout class="QGridLayout" name="gridLayout_fcPos" columnstretch="0,0,0,0">
      <property name="spacing">
       <number>3</number>
      </property>
@@ -449,17 +462,17 @@
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>ButtonSwitch</class>
+   <extends>QToolButton</extends>
+   <header>gui/buttonswitch.h</header>
+  </customwidget>
   <customwidget>
    <class>ValueDial</class>
    <extends>QWidget</extends>
    <header>gui/valuedial.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>ButtonSwitch</class>
-   <extends>QToolButton</extends>
-   <header>gui/buttonswitch.h</header>
-  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>