Turn off WARN_ON_UNDOCUMENTED.
Turn off WARN_ON_UNDOCUMENTED.

Newer doxygen (1.8.3.1) has broken this so that it falsely triggers on many
inane things like defines.

mbebenita/daala,smarter/daala,kodabb/daala,ascent12/daala,ycho/daala,tdaede/daala,kodabb/daala,iankronquist/daala,luctrudeau/daala,xiphmont/daala,xiph/daala,vr000m/daala,metajack/daala,ycho/daala,iankronquist/daala,kustom666/daala,vr000m/daala,iankronquist/daala,kustom666/daala,xiph/daala,tdaede/daala,xiph/daala,ycho/daala,jmvalin/daala,smarter/daala,xiphmont/daala,felipebetancur/daala,felipebetancur/daala,ycho/daala,nvoron23/daala,mbebenita/daala,kustom666/daala,vr000m/daala,kbara/daala,tdaede/daala,kbara/daala,mbebenita/daala,KyleSiefring/daala,xiph/daala,jmvalin/daala,tribouille/daala,KyleSiefring/daala,tribouille/daala,metajack/daala,felipebetancur/daala,tribouille/daala,xiphmont/daala,luctrudeau/daala,smarter/daala,iankronquist/daala,mbebenita/daala,felipebetancur/daala,metajack/daala,kustom666/daala,jmvalin/daala,tribouille/daala,HeadhunterXamd/daala,HeadhunterXamd/daala,xiphmont/daala,KyleSiefring/daala,luctrudeau/daala,ycho/daala,ascent12/daala,luctrudeau/daala,nvoron23/daala,nvoron23/daala,mbebenita/daala,ascent12/daala,ascent12/daala,felipebetancur/daala,jmvalin/daala,iankronquist/daala,tdaede/daala_awcy_runs,HeadhunterXamd/daala,xiph/daala,jmvalin/daala,KyleSiefring/daala,nvoron23/daala,kustom666/daala,HeadhunterXamd/daala,ascent12/daala,kbara/daala,vr000m/daala,kodabb/daala,KyleSiefring/daala,xiphmont/daala,tdaede/daala,tribouille/daala,HeadhunterXamd/daala,tdaede/daala_awcy_runs,smarter/daala,tdaede/daala_awcy_runs,luctrudeau/daala,kbara/daala,kodabb/daala,kodabb/daala,tdaede/daala_awcy_runs,vr000m/daala,nvoron23/daala