wix: add 'ro' and 'ru' locales

Also noticed when diffing an MSI installation against an Inno installation.
OTOH, the Inno install doesn't include 'i18n' with the *.po files.

contrib/wix/locale.wxs

@@ -1,34 +1,34
 <?xml version="1.0" encoding="utf-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
 
   <?include defines.wxi ?>
 
   <?define hglocales =
-    da;de;el;fr;it;ja;pt_BR;sv;zh_CN;zh_TW
+    da;de;el;fr;it;ja;pt_BR;ro;ru;sv;zh_CN;zh_TW
   ?>
 
   <Fragment>
     <ComponentGroup Id="localeFolder">
       <?foreach LOC in $(var.hglocales) ?>
         <ComponentRef Id="hg.locale.$(var.LOC)"/>
       <?endforeach?>
     </ComponentGroup>
   </Fragment>
 
   <Fragment>
     <DirectoryRef Id="INSTALLDIR">
       <Directory Id="localedir" Name="locale" FileSource="$(var.SourceDir)">
         <?foreach LOC in $(var.hglocales) ?>
           <Directory Id="hg.locale.$(var.LOC)" Name="$(var.LOC)">
             <Directory Id="hg.locale.$(var.LOC).LC_MESSAGES" Name="LC_MESSAGES">
               <Component Id="hg.locale.$(var.LOC)" Guid="*" Win64='$(var.IsX64)'>
                 <File Id="hg.mo.$(var.LOC)" Name="hg.mo" KeyPath="yes" />
               </Component>
             </Directory>
           </Directory>
         <?endforeach?>
       </Directory>
     </DirectoryRef>
   </Fragment>
 
 </Wix>