unused SwAccessibleMap::FireSectionChangeEvent

Change-Id: Iabf50f68d06684d36eaf5793251361ccd771ae8d
coverity#735892 Unchecked dynamic_cast

Change-Id: I0624dd7d50cc82ddfe76ce5d8219b2fa1c10f002
sw: fix indentation in rtfstringbuffer

Change-Id: Ie1029a03e614aceaeda10a762183cb06e93c1639