CRM-12722, added fixed that was missed during forward merging from 4.3 to 4.4

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* CRM-12722: Group page only shows 25 child groups
  https://issues.civicrm.org/jira/browse/CRM-12722
Merge pull request #3801 from kurund/CRM-12722

CRM-12722, added fixed that was missed during forward merging from 4.3 t...