vim-patch:7.4.1785

Problem:    Regexp test fails on windows.
Solution:   set 'isprint' to the right value for testing.

490465bda6

src/nvim/testdir/test_expr_utf8.vim

@@ -37,6 +37,7 @@ func Test_strcharpart_utf8()
 endfunc
 
 func s:classes_test()
+  set isprint=@,161-255
   call assert_equal('Motörhead', matchstr('Motörhead', '[[:print:]]\+'))
 
   let alphachars = ''