include: protect generic integer functions
include: protect generic integer functions

Those generic possibly built-in (else inline) functions are not
name-spaced, so make sure we don´t explode if the OS headers clobber
the namespace and define any of them as macros.

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc