Add some missing includes

Summary: Missing includes which break modular builds.

Reviewed By: igorsugak, luciang

Differential Revision: D19738860

fbshipit-source-id: 97a0329f3e558309ca87f4dd7be8dd96e9ba09a8

folly/experimental/symbolizer/test/SymbolizerTestUtils.h

@@ -17,6 +17,7 @@
 #pragma once
 
 #include <folly/experimental/symbolizer/SymbolizedFrame.h>
+#include <folly/experimental/symbolizer/Symbolizer.h>
 
 namespace folly {
 namespace symbolizer {

folly/fibers/ExecutorLoopController.h

@@ -21,6 +21,7 @@
 #include <folly/Executor.h>
 #include <folly/fibers/ExecutorBasedLoopController.h>
 #include <folly/fibers/FiberManagerInternal.h>
+#include <folly/futures/Future.h>
 
 namespace folly {
 namespace fibers {

folly/io/async/test/SSLUtil.h

@@ -17,9 +17,12 @@
 #pragma once
 
 #include <algorithm>
+#include <set>
 #include <string>
 #include <vector>
 
+#include <folly/ssl/OpenSSLPtrTypes.h>
+
 namespace folly {
 namespace test {