[examples] Add a dependency on ExecutionEngine to LLJITWithObjectCache example.

ExecutionEngine.cpp contains the anchor() for the ObjectCache base class, so we
need an explicit dependency on it.

Patch by Stephen Neuendorffer. Thanks Stephen!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375461 91177308-0d34-0410-b5e6-96231b3b80d8

examples/LLJITExamples/LLJITWithObjectCache/CMakeLists.txt

diff --git a/examples/LLJITExamples/LLJITWithObjectCache/CMakeLists.txt b/examples/LLJITExamples/LLJITWithObjectCache/CMakeLists.txt
index 4c9680a..c5f8fd6 100644
--- a/examples/LLJITExamples/LLJITWithObjectCache/CMakeLists.txt
+++ b/examples/LLJITExamples/LLJITWithObjectCache/CMakeLists.txt
@@ -1,5 +1,6 @@
 set(LLVM_LINK_COMPONENTS
   Core
+  ExecutionEngine
   IRReader
   OrcJIT
   Support