demmt: fix annotations for multi-purpose buffers
demmt: fix annotations for multi-purpose buffers

hakzsam/envytools,karolherbst/envytools,pierremoreau/envytools,karolherbst/envytools,MoochMcGee/envytools,MoochMcGee/envytools,grate-driver/envytools,MoochMcGee/envytools,pierremoreau/envytools,kfractal/envytools,grate-driver/envytools,envytools/envytools,MoochMcGee/envytools,grate-driver/envytools,envytools/envytools,MoochMcGee/envytools,pierremoreau/envytools,karolherbst/envytools,grate-driver/envytools,envytools/envytools,hakzsam/envytools,karolherbst/envytools,hakzsam/envytools,hakzsam/envytools,pierremoreau/envytools,envytools/envytools,envytools/envytools,kfractal/envytools,kfractal/envytools,kfractal/envytools,hakzsam/envytools,karolherbst/envytools,pierremoreau/envytools,kfractal/envytools,grate-driver/envytools