[libc-commits] [libc] [libc] fixup missing include for fullbuild (PR #87266)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

Unit test is failing now in postsubmit:
https://lab.llvm.org/buildbot/#/builders/163/builds/53978
```
[3115/3756] Running unit test libc.test.src.stdio.ftell_test.__unit__
FAILED: projects/libc/test/src/stdio/CMakeFiles/libc.test.src.stdio.ftell_test.__unit__ /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/projects/libc/test/src/stdio/CMakeFiles/libc.test.src.stdio.ftell_test.__unit__ 
cd /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/projects/libc/test/src/stdio && /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/projects/libc/test/src/stdio/libc.test.src.stdio.ftell_test.__unit__.__build__
[ RUN      ] LlvmLibcFTellTest.TellWithFBF
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/src/stdio/ftell_test.cpp:47: FAILURE
      Expected: size_t(__llvm_libc_19_0_0_git::ftello(file))
      Which is: 42
To be equal to: size_t(WRITE_SIZE - offseto)
      Which is: 18446744073709551585
[  FAILED  ] LlvmLibcFTellTest.TellWithFBF
[ RUN      ] LlvmLibcFTellTest.TellWithNBF
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/src/stdio/ftell_test.cpp:47: FAILURE
      Expected: size_t(__llvm_libc_19_0_0_git::ftello(file))
      Which is: 42
To be equal to: size_t(WRITE_SIZE - offseto)
      Which is: 18446744073709551585
[  FAILED  ] LlvmLibcFTellTest.TellWithNBF
[ RUN      ] LlvmLibcFTellTest.TellWithLBF
/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/src/stdio/ftell_test.cpp:47: FAILURE
      Expected: size_t(__llvm_libc_19_0_0_git::ftello(file))
      Which is: 42
To be equal to: size_t(WRITE_SIZE - offseto)
      Which is: 18446744073709551585
[  FAILED  ] LlvmLibcFTellTest.TellWithLBF
```

https://github.com/llvm/llvm-project/pull/87266