Bug 614511 - fix coverify Defect Type: Null pointer dereferences issues 11846 - 11891
    
    https://bugzilla.redhat.com/show_bug.cgi?id=614511
    Resolves: bug 614511
    Bug description: Fix coverify Defect Type: Null pointer dereferences issues 11846 - 11891
    description: Catch possible NULL pointer in collation_indexer_create().
    coverity ID: 11873