test-fileset: glob the updated file count for Windows stability

Some of the prior changes are platform dependent, involving symlinks, exec bits
and non portable names.  An update 10 lines above also globbed this value to
avoid differences, since this line isn't of particular interest- the filesets
are.

tests/test-fileset.t

@@ -163,7 +163,7 b' Test merge states'
   $ hg merge
   merging b2
   warning: conflicts while merging b2! (edit, then use 'hg resolve --mark')
-  6 files updated, 0 files merged, 1 files removed, 1 files unresolved
+  * files updated, 0 files merged, 1 files removed, 1 files unresolved (glob)
   use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
   [1]
   $ fileset 'resolved()'