NEWS: Fix some typos in older entries.

git-svn-id: file:///home/xapian-svn/xapian/branches/1.2@17049 6b2f1b92-a4f3-0310-943f-de3cbe41748b
Backport change from trunk:
examples/quest.cc: Fix to build with Sun Studio 12 compiler.
(ticket#611)

git-svn-id: file:///home/xapian-svn/xapian/branches/1.2@17050 6b2f1b92-a4f3-0310-943f-de3cbe41748b