[www-scripts] Clang Attribute Doc Update: ERROR

Fri Nov 20 17:45:45 PST 2020

UPDATING LLVM SOURCES
HEAD is now at 21c9145 [llvm-profgen][NFC]Fix build failure on different platform
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   21c9145..553e364  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to 553e364194ac50eee56bcb31bb25f033527605b8.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found