add missing dependency for ExecutionEngine lib

This appears to be masked most of the time, but the problem
was exposed on some bots by r238051.

llvm-svn: 238788

llvm/lib/ExecutionEngine/ExecutionEngineBindings.cpp

@@ -18,6 +18,7 @@
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Target/TargetOptions.h"
 #include <cstring>
 
 using namespace llvm;

llvm/lib/ExecutionEngine/LLVMBuild.txt

@@ -22,4 +22,4 @@ subdirectories = Interpreter MCJIT RuntimeDyld IntelJITEvents OProfileJIT Orc
 type = Library
 name = ExecutionEngine
 parent = Libraries
-required_libraries = Core MC Object RuntimeDyld Support
+required_libraries = Core MC Object RuntimeDyld Support Target