Attempt to fix windows buildbots after r293172.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293173 91177308-0d34-0410-b5e6-96231b3b80d8

Author: dsandersllvm

utils/TableGen/GlobalISelEmitter.cpp

@@ -129,7 +129,7 @@ template <class PredicateTy> class PredicateListMatcher {
   /// Construct a new operand predicate and add it to the matcher.
   template <class Kind, class... Args>
   Kind &addPredicate(Args&&... args) {
-    Predicates.emplace_back(make_unique<Kind>(std::forward<Args...>(args)...));
+    Predicates.emplace_back(llvm::make_unique<Kind>(std::forward<Args...>(args)...));
     return *static_cast<Kind *>(Predicates.back().get());
   }