Guard conditions for dering memory allocation
Guard conditions for dering memory allocation

Guard condition with error message for dering malloc.

Signed-off-by: Nathan E. Egge <3157e99074b9b42592afe02c45df7de409e8e1a2@dgql.org>

luctrudeau/daala,ycho/daala,ycho/daala,xiphmont/daala,ycho/daala,xiph/daala,jmvalin/daala,xiphmont/daala,HeadhunterXamd/daala,xiphmont/daala,xiph/daala,HeadhunterXamd/daala,HeadhunterXamd/daala,xiphmont/daala,luctrudeau/daala,HeadhunterXamd/daala,jmvalin/daala,ycho/daala,jmvalin/daala,xiph/daala,jmvalin/daala,HeadhunterXamd/daala,xiph/daala,luctrudeau/daala,ycho/daala,xiph/daala,luctrudeau/daala,jmvalin/daala,luctrudeau/daala,xiphmont/daala