Minor update to the Mutator so that it doesn't try to update false values

Author: Scott Pringle

lib/PHPExif/Hydrator/Mutator.php

@@ -33,6 +33,10 @@ class Mutator implements HydratorInterface
     public function hydrate($object, array $data)
     {
         foreach ($data as $property => $value) {
+            if ($value === false) {
+                continue;
+            }
+
             $mutator = $this->determineMutator($property);
 
             if (method_exists($object, $mutator)) {