[llvm] [Github] Fix libc docs build (PR #70363)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-github-workflow

Author: Jinsong Ji (jsji)

<details>
<summary>Changes</summary>

       folder, causing failures.

ninja: fatal: chdir to 'docs-libc-html' - No such file or directory
ninja: Entering directory `docs-libc-html'


---
Full diff: https://github.com/llvm/llvm-project/pull/70363.diff


1 Files Affected:

- (modified) .github/workflows/docs.yml (+1-1) 


``````````diff
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index cbb3706cc1bcfec..e6af2f41167e0a1 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -119,7 +119,7 @@ jobs:
         if: steps.docs-changed-subprojects.outputs.libc_any_changed == 'true'
         run: |
           cmake -B libc-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_RUNTIMES="libc" -DLLVM_ENABLE_SPHINX=ON ./runtimes
-          TZ=UTC ninja -C docs-libc-html
+          TZ=UTC ninja -C libc-build docs-libc-html
       - name: Build LLD docs
         if: steps.docs-changed-subprojects.outputs.lld_any_changed == 'true'
         run: |

``````````

</details>


https://github.com/llvm/llvm-project/pull/70363