[lldb] Fix python packages install path

[mgorny]

LGTM.

lldb/CMakeLists.txt

if (NOT LLDB_DISABLE_PYTHON)
 
   # Ensure we do the python post-build step when building lldb.
   add_dependencies(lldb finish_swig)
 
   if(NOT LLDB_BUILD_FRAMEWORK)
     # Install the LLDB python module
     add_custom_target(lldb-python-scripts)
     add_dependencies(lldb-python-scripts finish_swig)
-    install(DIRECTORY ${CMAKE_BINARY_DIR}/${LLDB_PYTHON_RELATIVE_PATH}/
+    install(DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${LLDB_PYTHON_RELATIVE_PATH}/
             DESTINATION ${LLDB_PYTHON_RELATIVE_PATH}
             COMPONENT lldb-python-scripts)
     if (NOT LLVM_ENABLE_IDE)
       add_llvm_install_targets(install-lldb-python-scripts
                                COMPONENT lldb-python-scripts
                                DEPENDS lldb-python-scripts)
     endif()
   endif()