RelocVisitor::visit(): Set hasError in the default path.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173565 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Object/RelocVisitor.h

@@ -77,6 +77,7 @@ public:
         return RelocToApply();
       }
     }
+    HasError = true;
     return RelocToApply();
   }