Merge pull request #85 from craveica/88

Fix 88

Author: mpenick

ext/src/Cassandra/Timestamp.c

@@ -113,7 +113,8 @@ PHP_METHOD(Timestamp, microtime)
 PHP_METHOD(Timestamp, toDateTime)
 {
   cassandra_timestamp *self;
-  zval *datetime = NULL;
+  zval datetime_object;
+  zval *datetime = &datetime_object;
   php_date_obj *datetime_obj = NULL;
   char *str;
   int str_len;

ext/src/Cassandra/Timeuuid.c

@@ -110,7 +110,8 @@ PHP_METHOD(Timeuuid, time)
 PHP_METHOD(Timeuuid, toDateTime)
 {
   cassandra_uuid *self;
-  zval *datetime = NULL;
+  zval datetime_object;
+  zval *datetime = &datetime_object;
   php_date_obj *datetime_obj = NULL;
   char *str;
   int str_len;