Merge branch '233AddIsoCodesForSouthSudanSynonyms' into 238_add_missing_patches

geocoder/admin0/patches/20180306_add_ssd_rows_for_south_sudan.sql

@@ -0,0 +1,8 @@
+DO $$
+  DECLARE updated INTEGER;
+BEGIN
+  SELECT count(*) FROM admin0_synonyms WHERE adm0_a3 = 'SSD' INTO updated
+  IF updated = 0 THEN
+    INSERT INTO admin0_synonyms (name, rank, adm0_a3, name_) SELECT name, rank, 'SSD' AS adm0_a3, name_ FROM admin0_synonyms WHERE adm0_a3 = 'SDS';
+  END IF;
+END