tsmtspmtsm_var2_plain: Use correct row count values, handle chunkheight not a divisor of rowcount correctly
tsmtspmtsm_var2_plain: Use correct row count values, handle chunkheight not a divisor of rowcount correctly

RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST