Prefix `next' iterator operation with `llvm::'.

Fixes potential ambiguity problems on VS 2010.

Patch by nobled!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110029 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index d43845c..446e461 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1338,7 +1338,7 @@
     for (mmo_iterator i = memoperands_begin(), e = memoperands_end();
          i != e; ++i) {
       OS << **i;
-      if (next(i) != e)
+      if (llvm::next(i) != e)
         OS << " ";
     }
   }