[www-scripts] Clang Attribute Doc Update: ERROR

[root via www-scripts]

UPDATING LLVM SOURCES
HEAD is now at 0f9f0a4 Remove unused isZero function
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   0f9f0a4..fbfbfa5  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to fbfbfa5c713f4b98f174f9ff3416eaf42d133bc0.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found