Bug 14421: Corrected example in SMS.pm to working version with hashref.

Bug 14421: Corrected example in SMS.pm to working version with hashref.

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Test:
1) Apply patch
2) perldoc C4/SMS.pm
3) Check fixed argument in example

Argument is hashref, POD is now right
Added additional space on second arg
No errors

Signed-off-by: Jonathan Druart <jonathan.druart@koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>
(cherry picked from commit 0cb82c8d02cc4b672b169c8b0261c4bb6360cd00)
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>