remove dead code (useless test of memset return value)
remove dead code (useless test of memset return value)

* gfs/gfs_fsck/block_list.c (block_list_create): memset can't fail.
There are many more like this.

asp24/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents