Hold the LLVMContext by reference rather than by pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74640 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/Linker.cpp b/lib/Linker/Linker.cpp
index d0d69d0..42d4e72 100644
--- a/lib/Linker/Linker.cpp
+++ b/lib/Linker/Linker.cpp
@@ -20,7 +20,7 @@
 using namespace llvm;
 
 Linker::Linker(const std::string& progname, const std::string& modname,
-               LLVMContext* C, unsigned flags): 
+               const LLVMContext& C, unsigned flags): 
   Context(C),
   Composite(new Module(modname, C)),
   LibPaths(),