[CMake] LineEditorTests: Add Support to link_components.

Even if LLVMSupport is added in add_unittests, LLVMSupport may be here as consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213854 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/LineEditor/CMakeLists.txt

@@ -1,5 +1,6 @@
 set(LLVM_LINK_COMPONENTS
   LineEditor
+  Support
   )
 
 add_llvm_unittest(LineEditorTests