[uClibc] Fix compilation on arm

Tested with:

Target: arm-buildroot-linux-uclibcgnueabi
gcc version 4.7.3 (Buildroot 2014.05-git-00735-gc1618c8)
dont show kaitoast error when compiled with --disable-webserver
[settings]: fix upnp category visibility when built with --disable-upnp
[pydocs] fix pydocs line ending and add additional information regarding dialogs after a2acff6659547b00bca53ff897ee8a100df74da7
Revert "FIX: [mediacodec] reset if we are out of input buffers"

This reverts commit 0e5e26e2b0584a1a0a7bf4f93f53007036e7511e.
FIX: [droid] allow all boxes to enable passthrough (frodo way)
flac demuxer: improve seeking
ffmpeg: backport flac seeking patch
ActiveAE: check suspend state before creating a stream
Merge pull request #4563 from FernetMenta/aefixes

ActiveAE: check suspend state before creating a stream
Merge pull request #4562 from FernetMenta/flac

ffmpeg backport: improve seeking in flac files
Merge pull request #4559 from koying/fixdroidpassthrough

FIX: [droid] allow all boxes to enable passthrough (frodo way)
Merge pull request #4553 from stefansaraev/upnp-settings

[settings]: fix upnp category visibility when built with --disable-upnp
Merge pull request #4558 from koying/revert

Revert "FIX: [mediacodec] reset if we are out of input buffers"
Merge pull request #4537 from bkuhls/uclibc

[uClibc] Fix compilation on arm
Merge pull request #4556 from MartijnKaijser/pydoc_fix1

[pydocs] fix pydocs line ending and add additional information regarding...
Merge pull request #4554 from stefansaraev/webserver

dont show kaitoast error when compiled with --disable-webserver
[depends] move ffmpeg to unified deps
[configure] remove internal ffmpeg
remove ffmpeg from tree