patch 8.0.0031
Problem:    After ":bwipeout" 'fileformat' is not set to the right default.
Solution:   Get the default from 'fileformats'. (Mike Williams)
diff --git a/src/Makefile b/src/Makefile
index ec984b7..1589fba 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2081,6 +2081,7 @@
 	test_farsi \
 	test_feedkeys \
 	test_file_perm \
+	test_fileformat \
 	test_filter_cmd \
 	test_filter_map \
 	test_fnameescape \