Fix the windows build after r249747

llvm-svn: 249826
diff --git a/lldb/source/Symbol/ClangASTContext.cpp b/lldb/source/Symbol/ClangASTContext.cpp
index 81f872f..6d61c86 100644
--- a/lldb/source/Symbol/ClangASTContext.cpp
+++ b/lldb/source/Symbol/ClangASTContext.cpp
@@ -368,7 +368,9 @@
 }
 
 lldb::TypeSystemSP
-ClangASTContext::CreateInstance (lldb::LanguageType language, Module *module, Target *target)
+ClangASTContext::CreateInstance (lldb::LanguageType language,
+                                 lldb_private::Module *module,
+                                 Target *target)
 {
     if (ClangASTContextSupportsLanguage(language))
     {