Fix mis-merging in AddLLVM.cmake, take brson#2. LINK.EXE's options had been broken. Sorry again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198169 91177308-0d34-0410-b5e6-96231b3b80d8

Author: chapuni

cmake/modules/AddLLVM.cmake

@@ -49,7 +49,7 @@ function(add_llvm_symbol_exports target_name export_file)
                    LINK_FLAGS "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
     else()
       set_property(TARGET ${target_name} APPEND_STRING PROPERTY
-                   LINK_FLAGS " ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
+                   LINK_FLAGS "/DEF:${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
     endif()
   endif()