Fix #305, the day value wasn't increased by 1 as it should be
Merge pull request #368 from adrian17/message-day-fix

Fix #305, the day value wasn't increased by 1 as it should be
sound_fill_buffer, sound_prepare
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
audio work
Merge pull request #370 from zsilencer/master

sound_fill_buffer, sound_prepare