fix typo

Author: IncSW

country.go

@@ -60,7 +60,7 @@ func readCountryMap(country *Country, buffer []byte, mapSize uint, offset uint)
 				return 0, err
 			}
 		case "is_in_european_union":
-			country.IsInEuropeanEnion, offset, err = readBool(buffer, offset)
+			country.IsInEuropeanUnion, offset, err = readBool(buffer, offset)
 			if err != nil {
 				return 0, err
 			}

types.go

@@ -31,7 +31,7 @@ type Country struct {
 	GeoNameID         uint32
 	ISOCode           string
 	Names             map[string]string
-	IsInEuropeanEnion bool
+	IsInEuropeanUnion bool
 	Type              string // [RepresentedCountry]
 	Confidence        uint16 // Enterprise [Country, RegisteredCountry]
 }