Drop suffix in library output directory of LLVM

The directory is hard-coded without suffix in other places, so
necessary headers for clang are not installed if the suffix is
kept.

interpreter/CMakeLists.txt

@@ -266,7 +266,7 @@ else()
   # for the LLVMRES target.
   # FIXME: In longer term, we do not really need this and may want to adjust LLVMRES.
   set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/llvm/src/${CMAKE_CFG_INTDIR}/bin)
-  set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/llvm/src/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+  set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/llvm/src/${CMAKE_CFG_INTDIR}/lib)
 
   if(WIN32 OR CYGWIN)
     # DLL platform -- put DLLs into bin.