[clang-apply-replacements] Don't forget to link to clangToolingRefactor

Fixes build:

[1/3] Linking CXX shared library lib/libclangApplyReplacements.so.7svn
FAILED: lib/libclangApplyReplacements.so.7svn
<...>
/usr/local/bin/ld.lld: error: undefined symbol: clang::tooling::AtomicChange::replace(clang::SourceManager const&, clang::SourceLocation, unsigned int, llvm::StringRef)
>>> referenced by ApplyReplacements.cpp
>>>               tools/clang/tools/extra/clang-apply-replacements/CMakeFiles/clangApplyReplacements.dir/lib/Tooling/ApplyReplacements.cpp.o:(clang::replace::mergeAndDeduplicate(std::vector<clang::tooling::TranslationUnitReplacements, std::allocator<clang::tooling::TranslationUnitReplacements> > const&, std::vector<clang::tooling::TranslationUnitDiagnostics, std::allocator<clang::tooling::TranslationUnitDiagnostics> > const&, llvm::DenseMap<clang::FileEntry const*, std::vector<clang::tooling::AtomicChange, std::allocator<clang::tooling::AtomicChange> >, llvm::DenseMapInfo<clang::FileEntry const*>, llvm::detail::DenseMapPair<clang::FileEntry const*, std::vector<clang::tooling::AtomicChange, std::allocator<clang::tooling::AtomicChange> > > >&, clang::SourceManager&))

/usr/local/bin/ld.lld: error: undefined symbol: clang::tooling::applyAtomicChanges[abi:cxx11](llvm::StringRef, llvm::StringRef, llvm::ArrayRef<clang::tooling::AtomicChange>, clang::tooling::ApplyChangesSpec const&)
>>> referenced by ApplyReplacements.cpp
>>>               tools/clang/tools/extra/clang-apply-replacements/CMakeFiles/clangApplyReplacements.dir/lib/Tooling/ApplyReplacements.cpp.o:(clang::replace::applyChanges[abi:cxx11](llvm::StringRef, std::vector<clang::tooling::AtomicChange, std::allocator<clang::tooling::AtomicChange> > const&, clang::tooling::ApplyChangesSpec const&, clang::DiagnosticsEngine&))
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Refs. D43764, rL329813

llvm-svn: 329892