fix tests broken by 633f898f1520253d3530fe91fc82f68bca7c4627
Fixed Bug #66762 Segfault in mysqli_stmt::bind_result() when link closed

Each new mysqli_stmt now increase the refcount of the link object.
So the link is really destroy after all statements.

Only implemented with libmysqlclient, as mysqlnd already implement
this internally.

So, libmysqlclient and mysqlnd have the same behavior.
test for bug #66762
NEWS
--global have be removed in 5.2
man page: long option name is --strip, not --stripped
[bug 66535] X-PHP-Originating-Script adds newline if no custom headers are given

A newline is added to the mail headers when mail.add_x_header is used and no other headers are passed to mail().

The scenario in which custom headers are used was already fixed in #48620, back in 2009.
Fixed test case title
Updated NEWS for #66535