tests: handle differences between missing file error strings on Windows and Unix

tests/test-status-rev.t

@@ -81,8 +81,13 b' Status compared to parent of the working'
   $ hg status -A --rev 1 'glob:missing_*_missing-tracked'
   ! missing_content2_missing-tracked
   ! missing_missing_missing-tracked
+#if windows
+  $ hg status -A --rev 1 'glob:missing_missing_missing-untracked'
+  missing_missing_missing-untracked: The system cannot find the file specified
+#else
   $ hg status -A --rev 1 'glob:missing_missing_missing-untracked'
   missing_missing_missing-untracked: No such file or directory
+#endif
 
 Status between first and second commit. Should ignore dirstate status.