Add a TODO for 'Decimal32' types.
Add a TODO for 'Decimal32' types.

RMGiroux/bde-allocator-benchmarks,gbleaney/Allocator-Benchmarks,minhlongdo/bde,dbremner/bde,osubboo/bde,apaprocki/bde,RMGiroux/bde-allocator-benchmarks,gbleaney/Allocator-Benchmarks,che2/bde,minhlongdo/bde,osubboo/bde,idispatch/bde,apaprocki/bde,idispatch/bde,apaprocki/bde,minhlongdo/bde,saxena84/bde,bloomberg/bde,frutiger/bde,mversche/bde,osubboo/bde,che2/bde,abeels/bde,bloomberg/bde,saxena84/bde,frutiger/bde,dbremner/bde,dbremner/bde,saxena84/bde,bloomberg/bde-allocator-benchmarks,bowlofstew/bde,dbremner/bde,abeels/bde,jmptrader/bde,idispatch/bde,gbleaney/Allocator-Benchmarks,jmptrader/bde,bloomberg/bde-allocator-benchmarks,abeels/bde,bloomberg/bde-allocator-benchmarks,jmptrader/bde,mversche/bde,dharesign/bde,dharesign/bde,frutiger/bde,frutiger/bde,dharesign/bde,RMGiroux/bde-allocator-benchmarks,bowlofstew/bde,abeels/bde,che2/bde,RMGiroux/bde-allocator-benchmarks,bowlofstew/bde,RMGiroux/bde-allocator-benchmarks,bloomberg/bde,bowlofstew/bde,idispatch/bde,minhlongdo/bde,mversche/bde,jmptrader/bde,saxena84/bde,che2/bde,osubboo/bde,mversche/bde,bloomberg/bde-allocator-benchmarks,bloomberg/bde,bloomberg/bde,abeels/bde,dharesign/bde,apaprocki/bde,abeels/bde,gbleaney/Allocator-Benchmarks,apaprocki/bde,bloomberg/bde-allocator-benchmarks