[rdar://116457378] Fix build failure. [NFCI]

The method createFileID has been replaced with getOrCreateFileID in
the following commit:

commit 27254ae
Author: Jan Svoboda <[email protected]>

    [clang] NFCI: Use FileEntryRef for FileID creation (llvm#67838)

Author: fpetrogalli

clang/lib/APINotes/APINotesManager.cpp

@@ -85,7 +85,8 @@ APINotesManager::loadAPINotes(const FileEntry *apiNotesFile) {
                                      apiNotesFile->getName());
 
   // Open the source file.
-  auto sourceFileID = SourceMgr.createFileID(apiNotesFile, SourceLocation(), SrcMgr::C_User);
+  auto sourceFileID =
+      SourceMgr.getOrCreateFileID(apiNotesFile->getLastRef(), SrcMgr::C_User);
   auto sourceBuffer = SourceMgr.getBufferOrNone(sourceFileID, SourceLocation());
   if (!sourceBuffer) return nullptr;
 

clang/lib/Basic/SourceMgrAdapter.cpp

@@ -52,8 +52,8 @@ SourceLocation SourceMgrAdapter::mapLocation(const llvm::SourceMgr &llvmSrcMgr,
     FileID fileID;
     if (DefaultFile) {
       // Map to the default file.
-      fileID = SrcMgr.createFileID(DefaultFile, SourceLocation(),
-                                   SrcMgr::C_User);
+      fileID =
+          SrcMgr.getOrCreateFileID(DefaultFile->getLastRef(), SrcMgr::C_User);
 
       // Only do this once.
       DefaultFile = nullptr;