[lldb] Fix modules build by adding missing include

This header is using FileSpec so we should at least include the forward header.

diff --git a/lldb/include/lldb/Utility/XcodeSDK.h b/lldb/include/lldb/Utility/XcodeSDK.h
index b186ab4..552c51c 100644 (file)
--- a/lldb/include/lldb/Utility/XcodeSDK.h
+++ b/lldb/include/lldb/Utility/XcodeSDK.h
@@ -9,6 +9,7 @@
 #ifndef LLDB_UTILITY_SDK_H
 #define LLDB_UTILITY_SDK_H
 
+#include "lldb/lldb-forward.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/VersionTuple.h"
 #include <tuple>