RuntimeDyld code cleanup:

- There's no point having a different type for the local and global symbol
  tables.
- Renamed SymbolTable to GlobalSymbolTable to clarify the intention
- Improved const correctness where relevant



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155898 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
index e7f6fab..e413f78 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
@@ -51,7 +51,8 @@
   virtual void processRelocationRef(const ObjRelocationInfo &Rel,
                                     ObjectImage &Obj,
                                     ObjSectionToIDMap &ObjSectionToID,
-                                    LocalSymbolMap &Symbols, StubMap &Stubs);
+                                    const SymbolTableMap &Symbols,
+                                    StubMap &Stubs);
 
   virtual ObjectImage *createObjectImage(const MemoryBuffer *InputBuffer);
   virtual void handleObjectLoaded(ObjectImage *Obj);