add icu version to phpinfo

Author: smalyshev

ext/intl/php_intl.c

@@ -479,6 +479,7 @@ PHP_MINFO_FUNCTION( intl )
 	php_info_print_table_start();
 	php_info_print_table_header( 2, "Internationalization support", "enabled" );
 	php_info_print_table_row( 2, "version", INTL_MODULE_VERSION );
+	php_info_print_table_row( 2, "ICU version", U_ICU_VERSION );
 	php_info_print_table_end();
 
     //For the default locale php.ini setting