php5 compat

src/Property/Event/Geo.php

@@ -57,7 +57,7 @@ class Geo extends Property
      *
      * @return Geo
      */
-    public static function fromString(string $geoLocationString)
+    public static function fromString($geoLocationString)
     {
         $geoLocationString = str_replace(',', ';', $geoLocationString);
         $parts = explode(';', $geoLocationString);
@@ -74,7 +74,7 @@ class Geo extends Property
      *
      * @return string
      */
-    public function getGeoLocationAsString(string $separator = ';')
+    public function getGeoLocationAsString($separator = ';')
     {
         return number_format($this->latitude, 6) . $separator . number_format($this->longitude, 6);
     }