ext/intl: Fix build failure on ICU 62 caused by dateformat (php#20198)

Author: BogdanUngureanu

ext/intl/dateformat/dateformat_format.cpp

@@ -16,14 +16,14 @@
 #include <config.h>
 #endif
 
+#include <unicode/ustring.h>
+#include <unicode/ucal.h>
+
 extern "C" {
 #include "../php_intl.h"
 #include "../intl_convert.h"
 }
 
-#include <unicode/ustring.h>
-#include <unicode/ucal.h>
-
 #include "../common/common_date.h"
 #include "dateformat.h"
 #include "dateformat_class.h"