Modify .exp files following the new error message.

Change:
For counts of detected and suppressed errors, rerun with: -v
to
For lists of detected and suppressed errors, rerun with: -s

none/tests/cmdline2.stdout.exp

@@ -43,6 +43,9 @@ usage: valgrind [options] prog-and-args
     --error-exitcode=<number> exit code to return if errors found [0=disable]
     --error-markers=<begin>,<end> add lines with begin/end markers before/after
                               each error output in plain text mode [none]
+    --show-error-list=no|yes  show detected errors list and
+                              suppression counts at exit [no]
+    -s                        same as --show-error-list=yes
     --keep-debuginfo=no|yes   Keep symbols etc for unloaded code [no]
                               This allows saved stack traces (e.g. memory leaks)
                               to include file/line info for code that has been