Remove a goofy CMake hack and use the standard CMake facilities to
express library-level dependencies within Clang.

This is no more verbose really, and plays nicer with the rest of the
CMake facilities. It should also have no change in functionality.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158888 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-arcmt-test/CMakeLists.txt b/tools/c-arcmt-test/CMakeLists.txt
index 351f4ad..1e72261 100644
--- a/tools/c-arcmt-test/CMakeLists.txt
+++ b/tools/c-arcmt-test/CMakeLists.txt
@@ -1,5 +1,3 @@
-set(LLVM_USED_LIBS libclang)
-
 set( LLVM_LINK_COMPONENTS
   support
   mc
@@ -9,6 +7,10 @@
   c-arcmt-test.c
   )
 
+target_link_libraries(c-arcmt-test
+  libclang
+  )
+
 set_target_properties(c-arcmt-test
   PROPERTIES
   LINKER_LANGUAGE CXX)