Do not redefine zip constant

Author: kocsismate

ext/zip/php_zip.c

@@ -3110,12 +3110,6 @@ static PHP_MINIT_FUNCTION(zip)
 	php_zip_register_prop_handler(&zip_prop_handlers, "filename",  NULL, php_zipobj_get_filename, IS_STRING);
 	php_zip_register_prop_handler(&zip_prop_handlers, "comment",   NULL, php_zipobj_get_zip_comment, IS_STRING);
 
-#ifdef HAVE_LIBZIP_VERSION
-	zend_declare_class_constant_string(zip_class_entry, "LIBZIP_VERSION", sizeof("LIBZIP_VERSION")-1, zip_libzip_version());
-#else
-	zend_declare_class_constant_string(zip_class_entry, "LIBZIP_VERSION", sizeof("LIBZIP_VERSION")-1, LIBZIP_VERSION);
-#endif
-
 	php_register_url_stream_wrapper("zip", &php_stream_zip_wrapper);
 
 	le_zip_dir   = zend_register_list_destructors_ex(php_zip_free_dir,   NULL, le_zip_dir_name,   module_number);