[www-scripts] Clang Attribute Doc Update: ERROR

[root via www-scripts]

UPDATING LLVM SOURCES
HEAD is now at 4108326 OpaquePtr: Make byval/sret types mandatory
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   4108326..e91b234  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to e91b2344ad7294c47d8b10b3a84e962bc3ed4160.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found