Correct some typos.

This fixes #3877.
Split PM_CAPTURE mode into PM_ANALOG_CAPTURE and PM_DIGITAL_CAPTURE
DVB: Don't update stats when channel is not active.
DVB: Show current event time in the status bar
DVB: Make use out of the DVBState struct.
Mpeg2SectionData: Minor refactioring of the ParseEIT() method
DVB: Cosmetic for SetChannel()
Cosmetics and optimalizations for timers.
Cosmetics for stats.
Use GetLoadState() method instead of checking m_eMediaLoadState directly.