Move PTHStatCache within the anonymous namespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65348 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index d67a445..a5423d0 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -822,7 +822,6 @@
     return data_type();
   }
 };
-}
 
 class VISIBILITY_HIDDEN PTHStatCache : public StatSysCallCache {
   typedef OnDiskChainedHashTable<PTHStatLookupTrait> CacheTy;
@@ -855,6 +854,7 @@
     return 0;
   }
 };
+} // end anonymous namespace
 
 StatSysCallCache *PTHManager::createStatCache() {
   return new PTHStatCache(*((PTHFileLookup*) FileLookup));