[folly] fix missing dep

[autoantwort]

Otherwise it fails with:

[28/303] /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -DFOLLY_XLOG_STRIP_PREFIXES=\"/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean:/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/arm64-osx-dbg\" -DGFLAGS_IS_A_DLL=0 -D_GNU_SOURCE -D_REENTRANT -I/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean -I/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/arm64-osx-dbg -I/Users/leanderSchulten/git_projekte/vcpkg/vcpkg_installed/arm64-osx/include -fPIC -g -g -Wall -Wextra -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -g -std=gnu++1z -finput-charset=UTF-8 -fsigned-char -Wall -Wno-deprecated -Wno-deprecated-declarations -Wno-sign-compare -Wno-unused -Wuninitialized -Wunused-label -Wunused-result -Wno-noexcept-type -Wno-nullability-completeness -Wno-inconsistent-missing-override -faligned-new -std=gnu++17 -MD -MT CMakeFiles/folly_base.dir/folly/Singleton.cpp.o -MF CMakeFiles/folly_base.dir/folly/Singleton.cpp.o.d -o CMakeFiles/folly_base.dir/folly/Singleton.cpp.o -c /Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean/folly/Singleton.cpp
FAILED: CMakeFiles/folly_base.dir/folly/Singleton.cpp.o 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -DFOLLY_XLOG_STRIP_PREFIXES=\"/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean:/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/arm64-osx-dbg\" -DGFLAGS_IS_A_DLL=0 -D_GNU_SOURCE -D_REENTRANT -I/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean -I/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/arm64-osx-dbg -I/Users/leanderSchulten/git_projekte/vcpkg/vcpkg_installed/arm64-osx/include -fPIC -g -g -Wall -Wextra -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -g -std=gnu++1z -finput-charset=UTF-8 -fsigned-char -Wall -Wno-deprecated -Wno-deprecated-declarations -Wno-sign-compare -Wno-unused -Wuninitialized -Wunused-label -Wunused-result -Wno-noexcept-type -Wno-nullability-completeness -Wno-inconsistent-missing-override -faligned-new -std=gnu++17 -MD -MT CMakeFiles/folly_base.dir/folly/Singleton.cpp.o -MF CMakeFiles/folly_base.dir/folly/Singleton.cpp.o.d -o CMakeFiles/folly_base.dir/folly/Singleton.cpp.o -c /Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean/folly/Singleton.cpp
In file included from /Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean/folly/Singleton.cpp:35:
In file included from /Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean/folly/experimental/symbolizer/Symbolizer.h:30:
/Users/leanderSchulten/git_projekte/vcpkg/buildtrees/folly/src/183f5c2249-2e653483fb.clean/folly/experimental/symbolizer/Dwarf.h:21:10: fatal error: 'boost/variant.hpp' file not found
#include <boost/variant.hpp>
         ^~~~~~~~~~~~~~~~~~~
1 error generated.

[JonLiu1993]

Thanks for fix this port bug.

CMake Error at scripts/cmake/vcpkg_execute_build_process.cmake:134 (message):
    Command failed: F:/test/vcpkg/downloads/tools/cmake-3.25.1-windows/cmake-3.25.1-windows-i386/bin/cmake.exe --build . --config Debug --target install -- -v -j9
    Working Directory: F:/test/vcpkg/buildtrees/folly/x64-windows-dbg
    See logs for more information:
      F:\test\vcpkg\buildtrees\folly\install-x64-windows-dbg-out.log

Call Stack (most recent call first):
  installed/x64-windows/share/vcpkg-cmake/vcpkg_cmake_build.cmake:74 (vcpkg_execute_build_process)
  installed/x64-windows/share/vcpkg-cmake/vcpkg_cmake_install.cmake:16 (vcpkg_cmake_build)
  ports/folly/portfile.cmake:69 (vcpkg_cmake_install)
  scripts/ports.cmake:147 (include)

[BillyONeal]

Thank you!