[Compatibility50] Include dlfcn.h

JDevlieghere · JDevlieghere · commit 61d2efc82227 · 2019-09-18T19:30:03.000-07:00
diff --git a/stdlib/toolchain/Compatibility50/Overrides.cpp b/stdlib/toolchain/Compatibility50/Overrides.cpp
@@ -17,6 +17,8 @@
 #include "Overrides.h"
 #include "../../public/runtime/CompatibilityOverride.h"
 
+#include <dlfcn.h>
+
 using namespace swift;
 
 struct OverrideSection {
