Fix shared library build after r17696

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/71573002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17700 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/d8.cc

@@ -1683,9 +1683,11 @@ int Shell::Main(int argc, char* argv[]) {
   v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
   int result = 0;
   Isolate* isolate = Isolate::GetCurrent();
+#ifndef V8_SHARED
   v8::ResourceConstraints constraints;
   constraints.ConfigureDefaults(i::OS::TotalPhysicalMemory());
   v8::SetResourceConstraints(isolate, &constraints);
+#endif
   DumbLineEditor dumb_line_editor(isolate);
   {
     Initialize(isolate);