match separators by inheriting from same locale as format codes

... which leads to identical separators in this case.

Change-Id: I061c9f47d052e6e30e3b01d1697dc814e104559d

i18npool/source/localedata/data/es_PR.xml

@@ -28,7 +28,7 @@
       <DefaultName>Puerto Rico</DefaultName>
     </Country>
   </LC_INFO>
-  <LC_CTYPE ref="es_NI"/>
+  <LC_CTYPE ref="es_GT"/>
   <LC_FORMAT ref="es_GT" replaceTo="[$$-500A] "/>
   <LC_COLLATION ref="en_US"/>
   <LC_SEARCH ref="en_US"/>