Bug 37026: Fix JS error on sco-main.tt

Bug 37026: Fix JS error on sco-main.tt

To test:
1. Have a patron with some checkouts, holds, and charges that can login into the SCO module.
2. To go  sco-main.pl and login
3. Try changing tabs and notice the console error:

 dataTables is not defined

 4. APPLY PATCH
 5. Try again, there should be no error.
 6. Make sure you can switch the tabs without any issues.

Signed-off-by: Sam Lau <samalau@gmail.com>
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>