Update 'SDRTouchPresets.xml'

SDRTouchPresets.xml

@@ -58,4 +58,5 @@
           <preset id="50" name="FRS20" freq="462675000" centfreq="462630200" offset="0" order="20" filter="12500" dem="1"/>
           <preset id="51" name="FRS21" freq="462700000" centfreq="462655200" offset="0" order="21" filter="12500" dem="1"/>
           <preset id="52" name="FRS22" freq="462725000" centfreq="462680200" offset="0" order="22" filter="12500" dem="1"/>
-      </category>
+      </category>
+  </sdr_presets>