Revert the two previous commit as we are not using svn checkout, thus can't update, thus there is no clean solution to properly update the build bot.

This will break for the people with a linux/videodev2.h in srcdir or srcdir/modules/access but that's quite unlikely.
Closes #1238

- Fix a bunch of abuse of strncmp (memcmp rulez)

(This introduces a lot of warnings)

Somehow gettext fails on mingw32 here, so cannot test

src/Makefile.am: Only allow libvlc-control symbols that are prefixed by libvlc|mediacontrol. (Use to be symbol that contains libvlc or mediacontrol. This is a fix for Mac OS X and libtool.