message: fix installation path for pcm-bw-histogram.sh
  don't install into sbin/pcm-bw-histogram/ directory
  install into sbin/ directory
diff: @@ -145,7 +145,7 @@ if(UNIX) # APPLE, LINUX, FREE_BSD
  # Install extra files
  install(FILES pcm-bw-histogram.sh
  - DESTINATION "sbin/pcm-bw-histogram"
  + DESTINATION "sbin"
  PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_EXECUTE WORLD_READ)
  file(GLOB OPCODE_FILES "opCode*.txt")
  foreach(opcode_file ${OPCODE_FILES})
  