Make the use of const with respect to LLVMContext sane.  Hopefully this is the last time, for the
moment, that I will need to make far-reaching changes.

llvm-svn: 74655
diff --git a/llvm/lib/Archive/ArchiveInternals.h b/llvm/lib/Archive/ArchiveInternals.h
index 15f01b3..d187ed9 100644
--- a/llvm/lib/Archive/ArchiveInternals.h
+++ b/llvm/lib/Archive/ArchiveInternals.h
@@ -73,13 +73,13 @@
   
   // Get just the externally visible defined symbols from the bitcode
   bool GetBitcodeSymbols(const sys::Path& fName,
-                          const LLVMContext& Context,
+                          LLVMContext& Context,
                           std::vector<std::string>& symbols,
                           std::string* ErrMsg);
   
   ModuleProvider* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length,
                                     const std::string& ModuleID,
-                                    const LLVMContext& Context,
+                                    LLVMContext& Context,
                                     std::vector<std::string>& symbols,
                                     std::string* ErrMsg);
 }