Ensure that we don't use a dynamic Iterator#current() call

Author: Ocramius

composer.lock

@@ -8,6 +8,8 @@
 use Symfony\Component\Process\Exception\RuntimeException;
 use Version\Version;
 use Version\VersionsCollection;
+use function iterator_to_array;
+use function reset;
 
 final class PickLastMinorVersionFromCollection implements PickVersionFromVersionCollection
 {
@@ -20,14 +22,18 @@ public function forVersions(VersionsCollection $versions) : Version
     {
         $versions->sort(VersionsCollection::SORT_DESC);
 
+        /** @var Version[] $versionsAsArray */
+        $versionsAsArray = iterator_to_array($versions->getIterator());
         /** @var Version $lastVersion */
-        $lastVersion                = $versions->getIterator()->current();
+        $lastVersion                = reset($versionsAsArray);
         $previousVersionInIteration = $lastVersion;
+
         /** @var Version $version */
         foreach ($versions as $version) {
             if ($lastVersion->getMinor() !== $version->getMinor()) {
                 return $previousVersionInIteration;
             }
+
             $previousVersionInIteration = $version;
         }