Enable component builds for fuzzers

src/wasm/wasm-result.h

Index: src/wasm/wasm-result.h
diff --git a/src/wasm/wasm-result.h b/src/wasm/wasm-result.h
index efe269a86828ee6b2b498c7ef8e2ed2b582f970a..5058f60d880910c54735647841b655352516959d 100644
--- a/src/wasm/wasm-result.h
+++ b/src/wasm/wasm-result.h
@@ -97,7 +97,7 @@ std::ostream& operator<<(std::ostream& os, const Result<T>& result) {
 std::ostream& operator<<(std::ostream& os, const ErrorCode& error_code);
 
 // A helper for generating error messages that bubble up to JS exceptions.
-class ErrorThrower {
+class V8_EXPORT_PRIVATE ErrorThrower {
  public:
   ErrorThrower(i::Isolate* isolate, const char* context)
       : isolate_(isolate), context_(context) {}