[videodb] Keep empty series if hideemptyseries=true

Fixes #15475
ffmpeg: bump to version 2.4.3
fixed: Chapter skipping was broken due to improper current pts updating (thanks FernetMenta for the pointer). Fixes ticket #14535
changed: m_iCurrentPts is NOT an int but a double
Merge pull request #5661 from arnova/ffmpeg_chapter_dts_fix

fixed: cur_dts returned by ffmpeg is invalid most of the time so relay o...
Merge pull request #5666 from FernetMenta/ffmpeg

ffmpeg: bump to version 2.4.3
Merge pull request #5643 from anaconda/videodb-keep-hideemptyseries

[videodb]: keep empty series if hideemptyseries=true
[skininfo] fix uninitialized members in CSkinsInfo constructor

Fixes coverity CID 719106
[pvr] fix possible resource leak in channels osd dialog

Fixes coverity CID 1223318
[pvr] fix uninitialized members in CPVRGUIInfo constructor

Fixes coverity CID 1228840
[settings] fix possible null ptr dereference in CGUIDialogSettingsBase::SetupControls

Fixes coverity CID 1215664
[paplayer] fix possible resource leak in QueueNextFileEx

Fixes coverity CID 1126041
[cpuinfo] fix possible divide-by-zero

Fixes coverity CID 1238515
[nfsfile] fix arg type mismatch

Fixes coverity CID 1250595
[smbfile] fix arg type mismatch

Fixes coverity CID 1250592/1250595