NAIROBI, Sept 26 (Reuters) – The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Friday. – – – – – EVENTS: SOUTH AFRICA – Treasury holds its weekly auction of inflation linked bonds. SOUTH AFRICA – Energy department announces adjustments to fuel prices for the next month. The country is a net importer of oil and adjusts its fuel price each month to account for changes in the rand exchange