(EF_COUNTRY, cou_ca): New.

(empfile): Add it.
(xdvisible): Deal with it.
(ef_open_srv, ef_close_srv): Set it up.
(ef_init_view, ef_fina_view): New.

include/file.h

@@ -145,6 +145,9 @@ enum {
     EF_PACKING,
     EF_RESOURCES,
     EF_NATION_STATUS,
+    /* Views */
+    EF_COUNTRY,
+    /* Number of types: */
     EF_MAX
 };