Fix the Ocaml bindings for the ExecutionEngine: with the change to build
libraries instead of relinked objects, the interpreter, JIT, and native
target libraries were not being linked in to an ocaml program using the
ExecutionEngine.

llvm-svn: 74117
diff --git a/llvm/lib/ExecutionEngine/JIT/JIT.cpp b/llvm/lib/ExecutionEngine/JIT/JIT.cpp
index 43995cb..14d8d5b 100644
--- a/llvm/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/llvm/lib/ExecutionEngine/JIT/JIT.cpp
@@ -60,9 +60,7 @@
 
 }
 
-namespace llvm {
-  void LinkInJIT() {
-  }
+extern "C" void LLVMLinkInJIT() {
 }