Fix IBM version check
Fix IBM version check

The IBM version number is in hex, so version 12 is represented by
0x0c, rather than 0x12.

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