[patch/testsuite] Fix expected output for "help set follow-fork-mode"

[Joel Brobecker <brobecker at gnat dot com>]

There has been a recent change to infrun (made on 2004-01-13) that
removed the choice "ask" to the possible values for "follow-fork-mode".
The help text for that variable was then modified, but the test
verifying that the help for this command exists has not been modified.

This patch updates the expected output to match the new help text.

2004-04-04  Joel Brobecker  <brobecker@gnat.com>

        * gdb.base/foll-fork.exp: Update the expected output for
        "help set follow-fork-mode", to match a change that was made
        to the help of this variable on 2004-01-13.

Checked in as obvious.

I don't really know the purpose of this test. If, as the comment
suggests:

        # Verify that help is available for "set follow-fork-mode".

Then I would recommend that we don't need to check for the entire
help text word for word. I would simply check for the first line,
or even maybe just check that we receive something, anything, before
we get the prompt back.

(BTW, Is it really necessary to use send_gdb + gdb_expect? Could gdb_test
work just as well?)

-- 
Joel

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