Merge pull request #1914 from JDevlieghere/swift-cmake-dir

[CMake] Pass the correct CMake directory for Swift

Author: JDevlieghere

cmake/modules/LLDBStandalone.cmake

@@ -73,7 +73,7 @@ endif()
 # We append the directory in which LLVMConfig.cmake lives. We expect LLVM's
 # CMake modules to be in that directory as well.
 list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}")
-list(APPEND CMAKE_MODULE_PATH "${Swift_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${SWIFT_CMAKE_DIR}")
 include(AddLLVM)
 include(TableGen)
 include(HandleLLVMOptions)