Bug 15638: Spelling mistake in request.pl

Bug 15638: Spelling mistake in request.pl

To Test-
chek that in line 4 "writen" has been changed to "written"

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>
(cherry picked from commit 0867ca53d689108475d2bdba94712d6839db928f)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>
(cherry picked from commit 9c1c9285a84d9341432188258ea56ab5e88a434b)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>