Make acrobatreaderdc.xml compliant with packages.xsd

wpkg's packages.xsd specifies that we should order elements as

<install><condition /><exit /></install>

rather than

<install><exit /><condition /></install>

packages/acrobatreaderdc.xml

@@ -12,20 +12,20 @@
   <!-- patches are cumulative; we only need to apply the latest one -->
   <!-- use mst as a TRANSFORM(s) if present.... -->
   <install cmd='msiexec /qn /i "%WPKGSOFTWARE%\Adobe\AcrobatReaderDC\%patchversion%\AcroRead.msi" /l* %WPKGLOGDIR%\ReaderDC.log TRANSFORMS="%mstpath%"'>
-    <exit code="3010" reboot="false" />
     <condition>
       <check type="file" condition="exists" path="%mstpath%" />
     </condition>
+    <exit code="3010" reboot="false" />
   </install>
 
   <!-- ...but no TRANSFORMS if we don't have the mst -->
   <install cmd='msiexec /qn /i "%WPKGSOFTWARE%\Adobe\AcrobatReaderDC\%patchversion%\AcroRead.msi" /l* %WPKGLOGDIR%\ReaderDC.log '>
-    <exit code="3010" reboot="false" />
     <condition>
       <check type="logical" condition="not">
         <check type="file" condition="exists" path="%mstpath%" />
       </check>
     </condition>
+    <exit code="3010" reboot="false" />
   </install>
 
   <install cmd='msiexec /qn /l* %WPKGLOGDIR%\ReaderDC-p1.log /update "%WPKGSOFTWARE%\Adobe\AcrobatReaderDC\AcroRdrDCUpd%patchversion%.msp"'>