Add missing include

Author: adrian-prantl

lldb/include/lldb/Target/Platform.h

@@ -26,6 +26,7 @@
 #include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/Timeout.h"
 #include "lldb/Utility/UserIDResolver.h"
+#include "lldb/Utility/XcodeSDK.h"
 #include "lldb/lldb-private-forward.h"
 #include "lldb/lldb-public.h"
 #include "llvm/Support/VersionTuple.h"