rsync: Turn on -pedantic-errors at the end of 'configure'

rsync: Turn on -pedantic-errors at the end of 'configure'

This helps in building rsync without autoconf patch, since it will be a
while that the round trip is made, better to apply this patch here until
next release of autoconf.

(From OE-Core rev: 11522b98697befcf13076a90cec4f8ade1fa0645)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 8d6b8fb0863d81f60f8a8b53c3b5b4676d508965)
Signed-off-by: pawan <badganchipv@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>