updated for version 7.3.1304
Problem:    Test 89 still fails on MS-Windows.
Solution:   Set 'shellslash'. (Taro Muraoka)
diff --git a/src/testdir/test89.in b/src/testdir/test89.in
index fc3a9a2..2ad3f25 100644
--- a/src/testdir/test89.in
+++ b/src/testdir/test89.in
@@ -55,6 +55,7 @@
 :$put =''
 :$put ='Testing findfile'
 :$put =''
+:set ssl
 :$put =findfile('test19.in','src/test*')
 :exe "cd" cwd
 :cd ..