add missing include of bsls_assert
add missing include of bsls_assert

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