Initialized a non-initialized integer variable which is widely used in if else

Change-Id: Ibd99c0baa4cd3d4d409310a9a70dc7b421f6a8b2
Reviewed-on: https://gerrit.libreoffice.org/14780Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>