[libclang] Correct how the index inside the local preprocessed entities array
is getting converted to a global PreprocessedEntityID.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167280 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 80fb464..22f5aed 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3822,7 +3822,7 @@
          EndI = GlobalSLocOffsetMap.end(); SLocMapI != EndI; ++SLocMapI) {
     ModuleFile &M = *SLocMapI->second;
     if (M.NumPreprocessedEntities)
-      return getGlobalPreprocessedEntityID(M, M.BasePreprocessedEntityID);
+      return M.BasePreprocessedEntityID;
   }
 
   return getTotalNumPreprocessedEntities();
@@ -3905,8 +3905,7 @@
   if (PPI == pp_end)
     return findNextPreprocessedEntity(SLocMapI);
 
-  return getGlobalPreprocessedEntityID(M,
-                                 M.BasePreprocessedEntityID + (PPI - pp_begin));
+  return M.BasePreprocessedEntityID + (PPI - pp_begin);
 }
 
 /// \brief Returns the first preprocessed entity ID that begins after \arg ELoc.
@@ -3935,8 +3934,7 @@
   if (PPI == pp_end)
     return findNextPreprocessedEntity(SLocMapI);
 
-  return getGlobalPreprocessedEntityID(M,
-                                 M.BasePreprocessedEntityID + (PPI - pp_begin));
+  return M.BasePreprocessedEntityID + (PPI - pp_begin);
 }
 
 /// \brief Returns a pair of [Begin, End) indices of preallocated