Rename ASTReader::PerFileData to serialization::Module, pulling it out
of ASTReader so it can become its own full-fledged class
(eventually). No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135767 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index e6e88f8..65e0380 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -1549,7 +1549,7 @@
     typedef std::pair<uint32_t, llvm::StringRef> ModuleOffset;
     llvm::SmallVector<ModuleOffset, 16> Modules;
     Modules.reserve(Chain->Modules.size());
-    for (llvm::StringMap<ASTReader::PerFileData*>::const_iterator
+    for (llvm::StringMap<Module*>::const_iterator
              I = Chain->Modules.begin(), E = Chain->Modules.end();
          I != E; ++I) {
       Modules.push_back(ModuleOffset(I->getValue()->SLocEntryBaseOffset,