[examples][ORC] Add missing call to LLVMDisposeBuilder to example.

The missing call was pointed out in https://llvm.org/PR56953, though it's not
the focus of that issue.

GitOrigin-RevId: 424626953e89ec555501320ce06513aebf8e6aec
diff --git a/examples/OrcV2Examples/OrcV2CBindingsIRTransforms/OrcV2CBindingsIRTransforms.c b/examples/OrcV2Examples/OrcV2CBindingsIRTransforms/OrcV2CBindingsIRTransforms.c
index 81b3438..692529d5 100644
--- a/examples/OrcV2Examples/OrcV2CBindingsIRTransforms/OrcV2CBindingsIRTransforms.c
+++ b/examples/OrcV2Examples/OrcV2CBindingsIRTransforms/OrcV2CBindingsIRTransforms.c
@@ -47,6 +47,7 @@
   LLVMValueRef SumArg1 = LLVMGetParam(SumFunction, 1);
   LLVMValueRef Result = LLVMBuildAdd(Builder, SumArg0, SumArg1, "result");
   LLVMBuildRet(Builder, Result);
+  LLVMDisposeBuilder(Builder);
   LLVMOrcThreadSafeModuleRef TSM = LLVMOrcCreateNewThreadSafeModule(M, TSCtx);
   LLVMOrcDisposeThreadSafeContext(TSCtx);
   return TSM;