x86-64.exp: Correct pr26808.dump to pr27708.dump

Change

verbose "cmp tmpdir/pr27708.out $srcdir/$subdir/pr26808.dump" 1

to

verbose "cmp tmpdir/pr27708.out $srcdir/$subdir/pr27708.dump" 1

	* testsuite/binutils-all/x86-64/x86-64.exp: Correct pr26808.dump
	to pr27708.dump.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
1 file changed